Home / 1,995,379,387.79-2,752,326,081.85-1,279,781,479.27

Finding the Fourth Proportional to 1,995,379,387.79, 2,752,326,081.85 and 1,279,781,479.27

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Solution

The fourth proportional to 1,995,379,387.79, 2,752,326,081.85 and 1,279,781,479.27 is: 1,765,266,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,379,387.79 : 2,752,326,081.85 = 1,279,781,479.27 : x
  2. Step 2: Convert to fraction form
    1,995,379,387.79/2,752,326,081.85 = 1,279,781,479.27/x
  3. Step 3: Cross multiply
    1,995,379,387.79x = 2,752,326,081.85 × 1,279,781,479.27
  4. Step 4: Simplify right side
    1,995,379,387.79x = 3,522,375,944,443,235,328
  5. Step 5: Solve for x
    x = 3,522,375,944,443,235,328/1,995,379,387.79
  6. Step 6: Final answer
    x = 1,765,266,277.68

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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.