Finding the Fourth Proportional to 514,691,562.99, 710,281,550.12 and 279,742,152.99
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Solution
The fourth proportional to 514,691,562.99, 710,281,550.12 and 279,742,152.99 is: 386,048,080.73
Step by Step Solution
- Step 1: Write the proportion equation
514,691,562.99 : 710,281,550.12 = 279,742,152.99 : x - Step 2: Convert to fraction form
514,691,562.99/710,281,550.12 = 279,742,152.99/x - Step 3: Cross multiply
514,691,562.99x = 710,281,550.12 × 279,742,152.99 - Step 4: Simplify right side
514,691,562.99x = 198,695,690,058,244,704 - Step 5: Solve for x
x = 198,695,690,058,244,704/514,691,562.99 - Step 6: Final answer
x = 386,048,080.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.