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Finding the Fourth Proportional to 629,859,216.60, 944,788,824.90 and 266,353,572.60

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Solution

The fourth proportional to 629,859,216.60, 944,788,824.90 and 266,353,572.60 is: 399,530,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,859,216.60 : 944,788,824.90 = 266,353,572.60 : x
  2. Step 2: Convert to fraction form
    629,859,216.60/944,788,824.90 = 266,353,572.60/x
  3. Step 3: Cross multiply
    629,859,216.60x = 944,788,824.90 × 266,353,572.60
  4. Step 4: Simplify right side
    629,859,216.60x = 251,647,878,864,670,816
  5. Step 5: Solve for x
    x = 251,647,878,864,670,816/629,859,216.60
  6. Step 6: Final answer
    x = 399,530,358.90

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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.