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Finding the Fourth Proportional to 957,664,517.70, 1,436,496,776.55 and 957,664,517.70

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Solution

The fourth proportional to 957,664,517.70, 1,436,496,776.55 and 957,664,517.70 is: 1,436,496,776.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,664,517.70 : 1,436,496,776.55 = 957,664,517.70 : x
  2. Step 2: Convert to fraction form
    957,664,517.70/1,436,496,776.55 = 957,664,517.70/x
  3. Step 3: Cross multiply
    957,664,517.70x = 1,436,496,776.55 × 957,664,517.70
  4. Step 4: Simplify right side
    957,664,517.70x = 1,375,681,992,692,360,448
  5. Step 5: Solve for x
    x = 1,375,681,992,692,360,448/957,664,517.70
  6. Step 6: Final answer
    x = 1,436,496,776.55

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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.