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Finding the Fourth Proportional to 651,493,763.64, 887,033,626.86 and 649,425,187.98

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Solution

The fourth proportional to 651,493,763.64, 887,033,626.86 and 649,425,187.98 is: 884,217,182.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,493,763.64 : 887,033,626.86 = 649,425,187.98 : x
  2. Step 2: Convert to fraction form
    651,493,763.64/887,033,626.86 = 649,425,187.98/x
  3. Step 3: Cross multiply
    651,493,763.64x = 887,033,626.86 × 649,425,187.98
  4. Step 4: Simplify right side
    651,493,763.64x = 576,061,979,868,136,704
  5. Step 5: Solve for x
    x = 576,061,979,868,136,704/651,493,763.64
  6. Step 6: Final answer
    x = 884,217,182.14

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.