Find the G.P in which 4th term is 3 and the 7th term is 8/9.

Answer 1

4th term is 3 ---> ar^3 = 3
7th term is 8/9 --> ar^6 = 8/9

divide them:
r^3 = 8/27
r = 2/3

in ar^3 = 3
a(8/27) = 3
a = 81/8

GP is 81/8 , 27/4 , 9/2 , 3 , .....

Answer 2

Thnku so much