Home / 327,408,892.20-490,822,842.33-120,099,617.51

Finding the Fourth Proportional to 327,408,892.20, 490,822,842.33 and 120,099,617.51

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Solution

The fourth proportional to 327,408,892.20, 490,822,842.33 and 120,099,617.51 is: 180,042,866.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,408,892.20 : 490,822,842.33 = 120,099,617.51 : x
  2. Step 2: Convert to fraction form
    327,408,892.20/490,822,842.33 = 120,099,617.51/x
  3. Step 3: Cross multiply
    327,408,892.20x = 490,822,842.33 × 120,099,617.51
  4. Step 4: Simplify right side
    327,408,892.20x = 58,947,635,626,549,920
  5. Step 5: Solve for x
    x = 58,947,635,626,549,920/327,408,892.20
  6. Step 6: Final answer
    x = 180,042,866.98

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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.