Home / 769,395,564,131.28-1,061,324,747,464-479,861,156,155.92

Finding the Fourth Proportional to 769,395,564,131.28, 1,061,324,747,464 and 479,861,156,155.92

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Solution

The fourth proportional to 769,395,564,131.28, 1,061,324,747,464 and 479,861,156,155.92 is: 661,933,268,292.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,395,564,131.28 : 1,061,324,747,464 = 479,861,156,155.92 : x
  2. Step 2: Convert to fraction form
    769,395,564,131.28/1,061,324,747,464 = 479,861,156,155.92/x
  3. Step 3: Cross multiply
    769,395,564,131.28x = 1,061,324,747,464 × 479,861,156,155.92
  4. Step 4: Simplify right side
    769,395,564,131.28x = 509,288,520,374,964,874,903,552
  5. Step 5: Solve for x
    x = 509,288,520,374,964,874,903,552/769,395,564,131.28
  6. Step 6: Final answer
    x = 661,933,268,292.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.