Home / 18,755,514,013.20-28,127,298,015.81-6,161,449,112.88

Finding the Fourth Proportional to 18,755,514,013.20, 28,127,298,015.81 and 6,161,449,112.88

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Solution

The fourth proportional to 18,755,514,013.20, 28,127,298,015.81 and 6,161,449,112.88 is: 9,240,211,453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755,514,013.20 : 28,127,298,015.81 = 6,161,449,112.88 : x
  2. Step 2: Convert to fraction form
    18,755,514,013.20/28,127,298,015.81 = 6,161,449,112.88/x
  3. Step 3: Cross multiply
    18,755,514,013.20x = 28,127,298,015.81 × 6,161,449,112.88
  4. Step 4: Simplify right side
    18,755,514,013.20x = 173,304,915,407,223,914,496
  5. Step 5: Solve for x
    x = 173,304,915,407,223,914,496/18,755,514,013.20
  6. Step 6: Final answer
    x = 9,240,211,453.83

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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.