Home / 568,748,712.20-853,123,068.30-514,329,153.80

Finding the Fourth Proportional to 568,748,712.20, 853,123,068.30 and 514,329,153.80

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Solution

The fourth proportional to 568,748,712.20, 853,123,068.30 and 514,329,153.80 is: 771,493,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,748,712.20 : 853,123,068.30 = 514,329,153.80 : x
  2. Step 2: Convert to fraction form
    568,748,712.20/853,123,068.30 = 514,329,153.80/x
  3. Step 3: Cross multiply
    568,748,712.20x = 853,123,068.30 × 514,329,153.80
  4. Step 4: Simplify right side
    568,748,712.20x = 438,786,065,805,998,592
  5. Step 5: Solve for x
    x = 438,786,065,805,998,592/568,748,712.20
  6. Step 6: Final answer
    x = 771,493,730.70

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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.