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Finding the Fourth Proportional to 574,777,891.85, 862,166,837.78 and 574,777,891.85

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Solution

The fourth proportional to 574,777,891.85, 862,166,837.78 and 574,777,891.85 is: 862,166,837.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,777,891.85 : 862,166,837.78 = 574,777,891.85 : x
  2. Step 2: Convert to fraction form
    574,777,891.85/862,166,837.78 = 574,777,891.85/x
  3. Step 3: Cross multiply
    574,777,891.85x = 862,166,837.78 × 574,777,891.85
  4. Step 4: Simplify right side
    574,777,891.85x = 495,554,437,439,295,424
  5. Step 5: Solve for x
    x = 495,554,437,439,295,424/574,777,891.85
  6. Step 6: Final answer
    x = 862,166,837.78

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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.