Finding the Fourth Proportional to 376,164,555.40, 564,246,833.10 and 335,987,615.80
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Solution
The fourth proportional to 376,164,555.40, 564,246,833.10 and 335,987,615.80 is: 503,981,423.70
Step by Step Solution
- Step 1: Write the proportion equation
376,164,555.40 : 564,246,833.10 = 335,987,615.80 : x - Step 2: Convert to fraction form
376,164,555.40/564,246,833.10 = 335,987,615.80/x - Step 3: Cross multiply
376,164,555.40x = 564,246,833.10 × 335,987,615.80 - Step 4: Simplify right side
376,164,555.40x = 189,579,948,175,969,536 - Step 5: Solve for x
x = 189,579,948,175,969,536/376,164,555.40 - Step 6: Final answer
x = 503,981,423.70
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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.