Finding the Fourth Proportional to 488,667,689.80, 733,001,534.70 and 402,574,247.80
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Solution
The fourth proportional to 488,667,689.80, 733,001,534.70 and 402,574,247.80 is: 603,861,371.70
Step by Step Solution
- Step 1: Write the proportion equation
488,667,689.80 : 733,001,534.70 = 402,574,247.80 : x - Step 2: Convert to fraction form
488,667,689.80/733,001,534.70 = 402,574,247.80/x - Step 3: Cross multiply
488,667,689.80x = 733,001,534.70 × 402,574,247.80 - Step 4: Simplify right side
488,667,689.80x = 295,087,541,468,098,112 - Step 5: Solve for x
x = 295,087,541,468,098,112/488,667,689.80 - Step 6: Final answer
x = 603,861,371.70
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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.