Home / 13,478,761,097.13-20,178,800,839.31-7,865,497,022.25

Finding the Fourth Proportional to 13,478,761,097.13, 20,178,800,839.31 and 7,865,497,022.25

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Solution

The fourth proportional to 13,478,761,097.13, 20,178,800,839.31 and 7,865,497,022.25 is: 11,775,288,305.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478,761,097.13 : 20,178,800,839.31 = 7,865,497,022.25 : x
  2. Step 2: Convert to fraction form
    13,478,761,097.13/20,178,800,839.31 = 7,865,497,022.25/x
  3. Step 3: Cross multiply
    13,478,761,097.13x = 20,178,800,839.31 × 7,865,497,022.25
  4. Step 4: Simplify right side
    13,478,761,097.13x = 158,716,297,914,129,285,120
  5. Step 5: Solve for x
    x = 158,716,297,914,129,285,120/13,478,761,097.13
  6. Step 6: Final answer
    x = 11,775,288,305.09

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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.