Home / 18,145,156,965.30-27,217,735,447.95-14,471,836,773.30

Finding the Fourth Proportional to 18,145,156,965.30, 27,217,735,447.95 and 14,471,836,773.30

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Solution

The fourth proportional to 18,145,156,965.30, 27,217,735,447.95 and 14,471,836,773.30 is: 21,707,755,159.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,156,965.30 : 27,217,735,447.95 = 14,471,836,773.30 : x
  2. Step 2: Convert to fraction form
    18,145,156,965.30/27,217,735,447.95 = 14,471,836,773.30/x
  3. Step 3: Cross multiply
    18,145,156,965.30x = 27,217,735,447.95 × 14,471,836,773.30
  4. Step 4: Simplify right side
    18,145,156,965.30x = 393,890,624,741,593,776,128
  5. Step 5: Solve for x
    x = 393,890,624,741,593,776,128/18,145,156,965.30
  6. Step 6: Final answer
    x = 21,707,755,159.95

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Double scale
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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.