Home / 12,132,022,129.20-18,198,033,193.82-12,132,022,129.20

Finding the Fourth Proportional to 12,132,022,129.20, 18,198,033,193.82 and 12,132,022,129.20

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Solution

The fourth proportional to 12,132,022,129.20, 18,198,033,193.82 and 12,132,022,129.20 is: 18,198,033,193.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132,022,129.20 : 18,198,033,193.82 = 12,132,022,129.20 : x
  2. Step 2: Convert to fraction form
    12,132,022,129.20/18,198,033,193.82 = 12,132,022,129.20/x
  3. Step 3: Cross multiply
    12,132,022,129.20x = 18,198,033,193.82 × 12,132,022,129.20
  4. Step 4: Simplify right side
    12,132,022,129.20x = 220,778,941,415,279,722,496
  5. Step 5: Solve for x
    x = 220,778,941,415,279,722,496/12,132,022,129.20
  6. Step 6: Final answer
    x = 18,198,033,193.82

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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.