Finding the Fourth Proportional to 437,897,107.62, 601,079,085.34 and 387,227,291.94
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Solution
The fourth proportional to 437,897,107.62, 601,079,085.34 and 387,227,291.94 is: 531,527,206.75
Step by Step Solution
- Step 1: Write the proportion equation
437,897,107.62 : 601,079,085.34 = 387,227,291.94 : x - Step 2: Convert to fraction form
437,897,107.62/601,079,085.34 = 387,227,291.94/x - Step 3: Cross multiply
437,897,107.62x = 601,079,085.34 × 387,227,291.94 - Step 4: Simplify right side
437,897,107.62x = 232,754,226,457,012,288 - Step 5: Solve for x
x = 232,754,226,457,012,288/437,897,107.62 - Step 6: Final answer
x = 531,527,206.75
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.