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Finding the Fourth Proportional to 629,907,616.60, 944,861,424.90 and 594,194,781.40

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Solution

The fourth proportional to 629,907,616.60, 944,861,424.90 and 594,194,781.40 is: 891,292,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,907,616.60 : 944,861,424.90 = 594,194,781.40 : x
  2. Step 2: Convert to fraction form
    629,907,616.60/944,861,424.90 = 594,194,781.40/x
  3. Step 3: Cross multiply
    629,907,616.60x = 944,861,424.90 × 594,194,781.40
  4. Step 4: Simplify right side
    629,907,616.60x = 561,431,727,821,747,968
  5. Step 5: Solve for x
    x = 561,431,727,821,747,968/629,907,616.60
  6. Step 6: Final answer
    x = 891,292,172.10

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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.