Home / 5,616,491,979.60-8,418,691,351.80-2,121,547,006.80

Finding the Fourth Proportional to 5,616,491,979.60, 8,418,691,351.80 and 2,121,547,006.80

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Solution

The fourth proportional to 5,616,491,979.60, 8,418,691,351.80 and 2,121,547,006.80 is: 3,180,036,489.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616,491,979.60 : 8,418,691,351.80 = 2,121,547,006.80 : x
  2. Step 2: Convert to fraction form
    5,616,491,979.60/8,418,691,351.80 = 2,121,547,006.80/x
  3. Step 3: Cross multiply
    5,616,491,979.60x = 8,418,691,351.80 × 2,121,547,006.80
  4. Step 4: Simplify right side
    5,616,491,979.60x = 17,860,649,438,584,336,384
  5. Step 5: Solve for x
    x = 17,860,649,438,584,336,384/5,616,491,979.60
  6. Step 6: Final answer
    x = 3,180,036,489.58

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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.