Home / 18,145,156,958.30-27,217,735,437.45-14,471,836,766.30

Finding the Fourth Proportional to 18,145,156,958.30, 27,217,735,437.45 and 14,471,836,766.30

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Solution

The fourth proportional to 18,145,156,958.30, 27,217,735,437.45 and 14,471,836,766.30 is: 21,707,755,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,156,958.30 : 27,217,735,437.45 = 14,471,836,766.30 : x
  2. Step 2: Convert to fraction form
    18,145,156,958.30/27,217,735,437.45 = 14,471,836,766.30/x
  3. Step 3: Cross multiply
    18,145,156,958.30x = 27,217,735,437.45 × 14,471,836,766.30
  4. Step 4: Simplify right side
    18,145,156,958.30x = 393,890,624,399,115,288,576
  5. Step 5: Solve for x
    x = 393,890,624,399,115,288,576/18,145,156,958.30
  6. Step 6: Final answer
    x = 21,707,755,149.45

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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.