Finding the Fourth Proportional to 279,777,052.92, 386,092,704.96 and 154,326,419
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Solution
The fourth proportional to 279,777,052.92, 386,092,704.96 and 154,326,419 is: 212,970,663.38
Step by Step Solution
- Step 1: Write the proportion equation
279,777,052.92 : 386,092,704.96 = 154,326,419 : x - Step 2: Convert to fraction form
279,777,052.92/386,092,704.96 = 154,326,419/x - Step 3: Cross multiply
279,777,052.92x = 386,092,704.96 × 154,326,419 - Step 4: Simplify right side
279,777,052.92x = 59,584,304,558,500,336 - Step 5: Solve for x
x = 59,584,304,558,500,336/279,777,052.92 - Step 6: Final answer
x = 212,970,663.38
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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.