Home / 419,753,119,851.92-629,123,815,189.08-192,799,391,373.20

Finding the Fourth Proportional to 419,753,119,851.92, 629,123,815,189.08 and 192,799,391,373.20

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Solution

The fourth proportional to 419,753,119,851.92, 629,123,815,189.08 and 192,799,391,373.20 is: 288,966,735,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,753,119,851.92 : 629,123,815,189.08 = 192,799,391,373.20 : x
  2. Step 2: Convert to fraction form
    419,753,119,851.92/629,123,815,189.08 = 192,799,391,373.20/x
  3. Step 3: Cross multiply
    419,753,119,851.92x = 629,123,815,189.08 × 192,799,391,373.20
  4. Step 4: Simplify right side
    419,753,119,851.92x = 121,294,688,666,840,180,195,328
  5. Step 5: Solve for x
    x = 121,294,688,666,840,180,195,328/419,753,119,851.92
  6. Step 6: Final answer
    x = 288,966,735,279.13

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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.