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Finding the Fourth Proportional to 331,789,662.40, 497,684,493.60 and 101,794,244.80

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Solution

The fourth proportional to 331,789,662.40, 497,684,493.60 and 101,794,244.80 is: 152,691,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,789,662.40 : 497,684,493.60 = 101,794,244.80 : x
  2. Step 2: Convert to fraction form
    331,789,662.40/497,684,493.60 = 101,794,244.80/x
  3. Step 3: Cross multiply
    331,789,662.40x = 497,684,493.60 × 101,794,244.80
  4. Step 4: Simplify right side
    331,789,662.40x = 50,661,417,174,682,432
  5. Step 5: Solve for x
    x = 50,661,417,174,682,432/331,789,662.40
  6. Step 6: Final answer
    x = 152,691,367.20

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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.