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Finding the Fourth Proportional to 746,825,921.85, 1,120,238,882.78 and 746,825,921.85

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Solution

The fourth proportional to 746,825,921.85, 1,120,238,882.78 and 746,825,921.85 is: 1,120,238,882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,825,921.85 : 1,120,238,882.78 = 746,825,921.85 : x
  2. Step 2: Convert to fraction form
    746,825,921.85/1,120,238,882.78 = 746,825,921.85/x
  3. Step 3: Cross multiply
    746,825,921.85x = 1,120,238,882.78 × 746,825,921.85
  4. Step 4: Simplify right side
    746,825,921.85x = 836,623,436,320,653,568
  5. Step 5: Solve for x
    x = 836,623,436,320,653,568/746,825,921.85
  6. Step 6: Final answer
    x = 1,120,238,882.78

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1.5x scale

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.