Question

please help with the answer
A fraction bears the same ratio to 1/27 as 3/7 does to 5/9 . What's the fraction?

Answer 1

[(a)/(1/27)]=[(3/7)/(5/9)]

so 27*a=(3*9)/(7*5)

so a = 1/(7*5) = 1/35 I guess?