Home / 419,753,119,849.92-629,123,815,186.08-192,799,391,371.20

Finding the Fourth Proportional to 419,753,119,849.92, 629,123,815,186.08 and 192,799,391,371.20

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Solution

The fourth proportional to 419,753,119,849.92, 629,123,815,186.08 and 192,799,391,371.20 is: 288,966,735,276.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,753,119,849.92 : 629,123,815,186.08 = 192,799,391,371.20 : x
  2. Step 2: Convert to fraction form
    419,753,119,849.92/629,123,815,186.08 = 192,799,391,371.20/x
  3. Step 3: Cross multiply
    419,753,119,849.92x = 629,123,815,186.08 × 192,799,391,371.20
  4. Step 4: Simplify right side
    419,753,119,849.92x = 121,294,688,665,003,528,028,160
  5. Step 5: Solve for x
    x = 121,294,688,665,003,528,028,160/419,753,119,849.92
  6. Step 6: Final answer
    x = 288,966,735,276.14

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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.