Home / 21,244,515,601.32-29,320,002,340.92-12,091,269,919.95

Finding the Fourth Proportional to 21,244,515,601.32, 29,320,002,340.92 and 12,091,269,919.95

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Solution

The fourth proportional to 21,244,515,601.32, 29,320,002,340.92 and 12,091,269,919.95 is: 16,687,415,661.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244,515,601.32 : 29,320,002,340.92 = 12,091,269,919.95 : x
  2. Step 2: Convert to fraction form
    21,244,515,601.32/29,320,002,340.92 = 12,091,269,919.95/x
  3. Step 3: Cross multiply
    21,244,515,601.32x = 29,320,002,340.92 × 12,091,269,919.95
  4. Step 4: Simplify right side
    21,244,515,601.32x = 354,516,062,357,629,566,976
  5. Step 5: Solve for x
    x = 354,516,062,357,629,566,976/21,244,515,601.32
  6. Step 6: Final answer
    x = 16,687,415,661.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.