Finding the Fourth Proportional to 252,235,612.44, 378,320,873.67 and 79,729,863.84
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Solution
The fourth proportional to 252,235,612.44, 378,320,873.67 and 79,729,863.84 is: 119,584,508.52
Step by Step Solution
- Step 1: Write the proportion equation
252,235,612.44 : 378,320,873.67 = 79,729,863.84 : x - Step 2: Convert to fraction form
252,235,612.44/378,320,873.67 = 79,729,863.84/x - Step 3: Cross multiply
252,235,612.44x = 378,320,873.67 × 79,729,863.84 - Step 4: Simplify right side
252,235,612.44x = 30,163,471,745,538,944 - Step 5: Solve for x
x = 30,163,471,745,538,944/252,235,612.44 - Step 6: Final answer
x = 119,584,508.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.