What fraction of 8 = 5 / 10 = () divided by 4 = 360 divided by () = what fraction of 1?

What fraction of 8 = 5 / 10 = () divided by 4 = 360 divided by () = what fraction of 1?

8 out of 16 = 5 out of 10 = (2) divided by 4 = 360 divided by (720) = 1 out of 2