Finding the Fourth Proportional to 319,881,625.92, 479,822,438.88 and 77,544,529.92
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Solution
The fourth proportional to 319,881,625.92, 479,822,438.88 and 77,544,529.92 is: 116,316,794.88
Step by Step Solution
- Step 1: Write the proportion equation
319,881,625.92 : 479,822,438.88 = 77,544,529.92 : x - Step 2: Convert to fraction form
319,881,625.92/479,822,438.88 = 77,544,529.92/x - Step 3: Cross multiply
319,881,625.92x = 479,822,438.88 × 77,544,529.92 - Step 4: Simplify right side
319,881,625.92x = 37,207,605,468,017,528 - Step 5: Solve for x
x = 37,207,605,468,017,528/319,881,625.92 - Step 6: Final answer
x = 116,316,794.88
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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.