Home / 18,589,469,554.32-27,881,480,281.04-9,143,577,910.92

Finding the Fourth Proportional to 18,589,469,554.32, 27,881,480,281.04 and 9,143,577,910.92

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Solution

The fourth proportional to 18,589,469,554.32, 27,881,480,281.04 and 9,143,577,910.92 is: 13,714,026,991.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589,469,554.32 : 27,881,480,281.04 = 9,143,577,910.92 : x
  2. Step 2: Convert to fraction form
    18,589,469,554.32/27,881,480,281.04 = 9,143,577,910.92/x
  3. Step 3: Cross multiply
    18,589,469,554.32x = 27,881,480,281.04 × 9,143,577,910.92
  4. Step 4: Simplify right side
    18,589,469,554.32x = 254,936,487,221,468,921,856
  5. Step 5: Solve for x
    x = 254,936,487,221,468,921,856/18,589,469,554.32
  6. Step 6: Final answer
    x = 13,714,026,991.28

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Double scale
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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.