Home / 629,858,086.20-944,787,129.30-499,761,329.40

Finding the Fourth Proportional to 629,858,086.20, 944,787,129.30 and 499,761,329.40

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Solution

The fourth proportional to 629,858,086.20, 944,787,129.30 and 499,761,329.40 is: 749,641,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,858,086.20 : 944,787,129.30 = 499,761,329.40 : x
  2. Step 2: Convert to fraction form
    629,858,086.20/944,787,129.30 = 499,761,329.40/x
  3. Step 3: Cross multiply
    629,858,086.20x = 944,787,129.30 × 499,761,329.40
  4. Step 4: Simplify right side
    629,858,086.20x = 472,168,071,738,977,664
  5. Step 5: Solve for x
    x = 472,168,071,738,977,664/629,858,086.20
  6. Step 6: Final answer
    x = 749,641,994.10

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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.