Home / 31,215,982,092.44-43,078,087,169.15-16,942,812,659.16

Finding the Fourth Proportional to 31,215,982,092.44, 43,078,087,169.15 and 16,942,812,659.16

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Solution

The fourth proportional to 31,215,982,092.44, 43,078,087,169.15 and 16,942,812,659.16 is: 23,381,098,773.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,215,982,092.44 : 43,078,087,169.15 = 16,942,812,659.16 : x
  2. Step 2: Convert to fraction form
    31,215,982,092.44/43,078,087,169.15 = 16,942,812,659.16/x
  3. Step 3: Cross multiply
    31,215,982,092.44x = 43,078,087,169.15 × 16,942,812,659.16
  4. Step 4: Simplify right side
    31,215,982,092.44x = 729,863,960,621,787,774,976
  5. Step 5: Solve for x
    x = 729,863,960,621,787,774,976/31,215,982,092.44
  6. Step 6: Final answer
    x = 23,381,098,773.72

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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.