Home / 18,391,337,703.70-27,587,006,555.55-8,071,776,999.70

Finding the Fourth Proportional to 18,391,337,703.70, 27,587,006,555.55 and 8,071,776,999.70

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Solution

The fourth proportional to 18,391,337,703.70, 27,587,006,555.55 and 8,071,776,999.70 is: 12,107,665,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,391,337,703.70 : 27,587,006,555.55 = 8,071,776,999.70 : x
  2. Step 2: Convert to fraction form
    18,391,337,703.70/27,587,006,555.55 = 8,071,776,999.70/x
  3. Step 3: Cross multiply
    18,391,337,703.70x = 27,587,006,555.55 × 8,071,776,999.70
  4. Step 4: Simplify right side
    18,391,337,703.70x = 222,676,165,005,661,601,792
  5. Step 5: Solve for x
    x = 222,676,165,005,661,601,792/18,391,337,703.70
  6. Step 6: Final answer
    x = 12,107,665,499.55

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Half scale
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Double scale
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Similar ratio
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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.