    ///   ## Formula for conversion of 1.77:1 in a 16:9

Frage von MGP: Januar 2010

Formula for 1.77:1 aspect ratio is clear (1920 / 1080)

When I was 16, I / 1.77 to = 9
When I was 9, I can x 1.77 = 15.93

If I had none of both (neither 16 nor 9)
how the formula is it?

Thank you!

MfG-MGP Antwort von thos-berlin: Sorry, I do not understand the question .... What do you want to calculate why?

It is about a relationship that is represented by the break. So you must know the mathematical rules for fractions, and can. When two fractions should be equal (an equal sign between them) and stands in a fraction of a statement is missing, you can adjust the formula so that the missing part is on a page of Gleichetszeichens.

You can identify with your formulas, therefore only one of the missing to specify if the three other figures are there.

Example:

Your video is 16:9 and want it to correct aspect ratio on projecting a 1.8 m high screen. How wide the screen be?

So is 16 / 9 = x / 1.8

A solution of the equation for x, and to receive

16 / 9 * 1.8 = x is now replaced by x = 3.2 and rechnent

Your screen should therefore be wide at 1.8 m Height 3.2 meters.

Your question is: I have pictures in the ratio 16 / 9, how great must be the canvas?

You zei unknown and which can not be calculated with a Gleichnung.

Answer: There is no preference, as long as Width / Height = 16 / 9.

Do you have two unknowns, you need two equations. Antwort von Eastside: He would certainly know how to calculate the aspect ratio, if he only has the dimensions of the video as 1000 x 300 pixels. Antwort von thos-berlin: He has yet actually, but it wille be compared with a "known".

There is only one decimal, expressed as a fraction infinite. He is looking for a break, enables a well-known á la "16 / 9" or with the smallest possible whole numbers, eg for the above example of Eastside "10 / 3," which is synonymous Decimal 3.33333333 .... can represent.

If the result is 1, the aspect ratio would be square. If the result is greater than 1 then the picture is wider than high, the number is less than 1 then the picture is taller than wide. Is resultl 2, so the picture is twice as wide as high, it is 0.5, the picture is half as wide as high.

16 / 9 is 1.77777 ....
4 / 3 is 1.33333 ...

Eastside Example (1000/300) is more than three times as wide as it is high, and entsprcht around two adjacent 16 / 9 images

32 / 9 = 3.5555 .... 1000/300 = 3.3333 ....

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