Home / 2,976,412,374.69-4,107,416,481.12-1,638,273,854.85

Finding the Fourth Proportional to 2,976,412,374.69, 4,107,416,481.12 and 1,638,273,854.85

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Solution

The fourth proportional to 2,976,412,374.69, 4,107,416,481.12 and 1,638,273,854.85 is: 2,260,799,978.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976,412,374.69 : 4,107,416,481.12 = 1,638,273,854.85 : x
  2. Step 2: Convert to fraction form
    2,976,412,374.69/4,107,416,481.12 = 1,638,273,854.85/x
  3. Step 3: Cross multiply
    2,976,412,374.69x = 4,107,416,481.12 × 1,638,273,854.85
  4. Step 4: Simplify right side
    2,976,412,374.69x = 6,729,073,031,998,883,840
  5. Step 5: Solve for x
    x = 6,729,073,031,998,883,840/2,976,412,374.69
  6. Step 6: Final answer
    x = 2,260,799,978.26

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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.