Question

A:b:c:d
2:5:8:12

If: a:b is 2:3 and b:c is 9:4 , what is a:c in simplest form?

Answer 1

a:c::3:2

Explanation:

a:b=2:3

b:c=9:4

a:b:c

2:3

9:4 (a*b=2*9=18,b*b=3*9=27,b*c=3*4=12)

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18:27:12

a:c=18:12=3:2