Question

What must be multiplied to -4/9 to get 1/2

Answer 1

$\frac{-4}{9}$ × ___ = $\frac{1}{2}$
Let us assume the value as "z"
⇒ $\frac{-4}{9}$ × z = $\frac{1}{2}$
⇒ z = $\frac{1}{2}$ ×  $\frac{-9}{4}$ 
⇒ $\frac{-3}{2}$  
∴ the number to be multiplied by is $\frac{-3}{2}$  

Answer 2

Let the no.be X.................ATQ.------> -4/9× X= 1/2.....................X= 1/2× 9/-4......= 9/-8 or simply -9/8 .............