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Finding the Fourth Proportional to 81,452,498,432.95, 122,178,747,649.43 and 81,452,498,432.95

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Solution

The fourth proportional to 81,452,498,432.95, 122,178,747,649.43 and 81,452,498,432.95 is: 122,178,747,649.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,452,498,432.95 : 122,178,747,649.43 = 81,452,498,432.95 : x
  2. Step 2: Convert to fraction form
    81,452,498,432.95/122,178,747,649.43 = 81,452,498,432.95/x
  3. Step 3: Cross multiply
    81,452,498,432.95x = 122,178,747,649.43 × 81,452,498,432.95
  4. Step 4: Simplify right side
    81,452,498,432.95x = 9,951,764,251,454,990,188,544
  5. Step 5: Solve for x
    x = 9,951,764,251,454,990,188,544/81,452,498,432.95
  6. Step 6: Final answer
    x = 122,178,747,649.43

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Double scale
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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.