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Finding the Fourth Proportional to 487,768,375.94, 731,535,414.20 and 225,200,651.40

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Solution

The fourth proportional to 487,768,375.94, 731,535,414.20 and 225,200,651.40 is: 337,746,889.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,768,375.94 : 731,535,414.20 = 225,200,651.40 : x
  2. Step 2: Convert to fraction form
    487,768,375.94/731,535,414.20 = 225,200,651.40/x
  3. Step 3: Cross multiply
    487,768,375.94x = 731,535,414.20 × 225,200,651.40
  4. Step 4: Simplify right side
    487,768,375.94x = 164,742,251,800,008,832
  5. Step 5: Solve for x
    x = 164,742,251,800,008,832/487,768,375.94
  6. Step 6: Final answer
    x = 337,746,889.56

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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.