Home / 31,510,840,840.92-43,484,830,342.38-17,042,951,951.12

Finding the Fourth Proportional to 31,510,840,840.92, 43,484,830,342.38 and 17,042,951,951.12

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Solution

The fourth proportional to 31,510,840,840.92, 43,484,830,342.38 and 17,042,951,951.12 is: 23,519,203,370.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,510,840,840.92 : 43,484,830,342.38 = 17,042,951,951.12 : x
  2. Step 2: Convert to fraction form
    31,510,840,840.92/43,484,830,342.38 = 17,042,951,951.12/x
  3. Step 3: Cross multiply
    31,510,840,840.92x = 43,484,830,342.38 × 17,042,951,951.12
  4. Step 4: Simplify right side
    31,510,840,840.92x = 741,109,874,127,787,393,024
  5. Step 5: Solve for x
    x = 741,109,874,127,787,393,024/31,510,840,840.92
  6. Step 6: Final answer
    x = 23,519,203,370.97

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Double scale
Find fourth proportional to 31,510,840,841.92, 43,484,830,343.76 and 17,042,951,952.12
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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.