What is the answer to 4/9 = 2/x ?

The answer to 4/9 = 2/x is x= 9/2

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4/9 = 2/x

\frac{4}{9} = \frac{2}{x}

x = \frac{9}{2}

Decimal Notation

x = 4.5

Solution steps

\frac{4}{9} = \frac{2}{x}

Cross multiply

4 x = 18

Divide both sides by

4

x = \frac{9}{2}

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = \frac{9}{2}

\frac{6 - x}{x} = 10

\frac{1}{x ^{2} + 1} = 0

\frac{2}{x} = 6

t, a = \frac{b t}{t - c}

x, \frac{2}{x} + y = 5