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Finding the Fourth Proportional to 534,508,737.70, 801,763,106.55 and 495,766,688.80

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Solution

The fourth proportional to 534,508,737.70, 801,763,106.55 and 495,766,688.80 is: 743,650,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,508,737.70 : 801,763,106.55 = 495,766,688.80 : x
  2. Step 2: Convert to fraction form
    534,508,737.70/801,763,106.55 = 495,766,688.80/x
  3. Step 3: Cross multiply
    534,508,737.70x = 801,763,106.55 × 495,766,688.80
  4. Step 4: Simplify right side
    534,508,737.70x = 397,487,440,536,295,104
  5. Step 5: Solve for x
    x = 397,487,440,536,295,104/534,508,737.70
  6. Step 6: Final answer
    x = 743,650,033.20

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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.