Home / 656,015,712,217.20-982,949,000,470.15-349,379,932,553.72

Finding the Fourth Proportional to 656,015,712,217.20, 982,949,000,470.15 and 349,379,932,553.72

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Solution

The fourth proportional to 656,015,712,217.20, 982,949,000,470.15 and 349,379,932,553.72 is: 523,497,606,981.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,015,712,217.20 : 982,949,000,470.15 = 349,379,932,553.72 : x
  2. Step 2: Convert to fraction form
    656,015,712,217.20/982,949,000,470.15 = 349,379,932,553.72/x
  3. Step 3: Cross multiply
    656,015,712,217.20x = 982,949,000,470.15 × 349,379,932,553.72
  4. Step 4: Simplify right side
    656,015,712,217.20x = 343,422,655,488,007,486,832,640
  5. Step 5: Solve for x
    x = 343,422,655,488,007,486,832,640/656,015,712,217.20
  6. Step 6: Final answer
    x = 523,497,606,981.56

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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.