Home / 747,340,136.20-1,121,010,204.30-502,452,123.40

Finding the Fourth Proportional to 747,340,136.20, 1,121,010,204.30 and 502,452,123.40

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Solution

The fourth proportional to 747,340,136.20, 1,121,010,204.30 and 502,452,123.40 is: 753,678,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,340,136.20 : 1,121,010,204.30 = 502,452,123.40 : x
  2. Step 2: Convert to fraction form
    747,340,136.20/1,121,010,204.30 = 502,452,123.40/x
  3. Step 3: Cross multiply
    747,340,136.20x = 1,121,010,204.30 × 502,452,123.40
  4. Step 4: Simplify right side
    747,340,136.20x = 563,253,957,503,602,752
  5. Step 5: Solve for x
    x = 563,253,957,503,602,752/747,340,136.20
  6. Step 6: Final answer
    x = 753,678,185.10

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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.