Finding the Fourth Proportional to 392,623,848.30, 588,935,772.45 and 332,157,672.30
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Solution
The fourth proportional to 392,623,848.30, 588,935,772.45 and 332,157,672.30 is: 498,236,508.45
Step by Step Solution
- Step 1: Write the proportion equation
392,623,848.30 : 588,935,772.45 = 332,157,672.30 : x - Step 2: Convert to fraction form
392,623,848.30/588,935,772.45 = 332,157,672.30/x - Step 3: Cross multiply
392,623,848.30x = 588,935,772.45 × 332,157,672.30 - Step 4: Simplify right side
392,623,848.30x = 195,619,535,311,194,496 - Step 5: Solve for x
x = 195,619,535,311,194,496/392,623,848.30 - Step 6: Final answer
x = 498,236,508.45
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Similar ratio
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1.5x scale
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.