Finding the Fourth Proportional to 381,986,662.84, 572,979,279.52 and 119,691,293.92
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Solution
The fourth proportional to 381,986,662.84, 572,979,279.52 and 119,691,293.92 is: 179,536,716.92
Step by Step Solution
- Step 1: Write the proportion equation
381,986,662.84 : 572,979,279.52 = 119,691,293.92 : x - Step 2: Convert to fraction form
381,986,662.84/572,979,279.52 = 119,691,293.92/x - Step 3: Cross multiply
381,986,662.84x = 572,979,279.52 × 119,691,293.92 - Step 4: Simplify right side
381,986,662.84x = 68,580,631,355,098,152 - Step 5: Solve for x
x = 68,580,631,355,098,152/381,986,662.84 - Step 6: Final answer
x = 179,536,716.92
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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.