Finding the Fourth Proportional to 331,835,678.70, 497,777,432.88 and 127,363,753.98
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Solution
The fourth proportional to 331,835,678.70, 497,777,432.88 and 127,363,753.98 is: 191,054,809.86
Step by Step Solution
- Step 1: Write the proportion equation
331,835,678.70 : 497,777,432.88 = 127,363,753.98 : x - Step 2: Convert to fraction form
331,835,678.70/497,777,432.88 = 127,363,753.98/x - Step 3: Cross multiply
331,835,678.70x = 497,777,432.88 × 127,363,753.98 - Step 4: Simplify right side
331,835,678.70x = 63,398,802,498,124,288 - Step 5: Solve for x
x = 63,398,802,498,124,288/331,835,678.70 - Step 6: Final answer
x = 191,054,809.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.