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Finding the Fourth Proportional to 629,856,800.70, 943,084,589.85 and 629,856,800.70

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Solution

The fourth proportional to 629,856,800.70, 943,084,589.85 and 629,856,800.70 is: 943,084,589.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,800.70 : 943,084,589.85 = 629,856,800.70 : x
  2. Step 2: Convert to fraction form
    629,856,800.70/943,084,589.85 = 629,856,800.70/x
  3. Step 3: Cross multiply
    629,856,800.70x = 943,084,589.85 × 629,856,800.70
  4. Step 4: Simplify right side
    629,856,800.70x = 594,008,242,552,392,704
  5. Step 5: Solve for x
    x = 594,008,242,552,392,704/629,856,800.70
  6. Step 6: Final answer
    x = 943,084,589.85

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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.