Home / 31,230,545,631.97-43,098,152,972.12-17,864,538,761.47

Finding the Fourth Proportional to 31,230,545,631.97, 43,098,152,972.12 and 17,864,538,761.47

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Solution

The fourth proportional to 31,230,545,631.97, 43,098,152,972.12 and 17,864,538,761.47 is: 24,653,063,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,230,545,631.97 : 43,098,152,972.12 = 17,864,538,761.47 : x
  2. Step 2: Convert to fraction form
    31,230,545,631.97/43,098,152,972.12 = 17,864,538,761.47/x
  3. Step 3: Cross multiply
    31,230,545,631.97x = 43,098,152,972.12 × 17,864,538,761.47
  4. Step 4: Simplify right side
    31,230,545,631.97x = 769,928,624,318,236,983,296
  5. Step 5: Solve for x
    x = 769,928,624,318,236,983,296/31,230,545,631.97
  6. Step 6: Final answer
    x = 24,653,063,490.83

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Double scale
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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.