Home / 493,117,178.20-738,260,189.70-478,961,402.20

Finding the Fourth Proportional to 493,117,178.20, 738,260,189.70 and 478,961,402.20

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Solution

The fourth proportional to 493,117,178.20, 738,260,189.70 and 478,961,402.20 is: 717,067,162.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,117,178.20 : 738,260,189.70 = 478,961,402.20 : x
  2. Step 2: Convert to fraction form
    493,117,178.20/738,260,189.70 = 478,961,402.20/x
  3. Step 3: Cross multiply
    493,117,178.20x = 738,260,189.70 × 478,961,402.20
  4. Step 4: Simplify right side
    493,117,178.20x = 353,598,135,647,150,016
  5. Step 5: Solve for x
    x = 353,598,135,647,150,016/493,117,178.20
  6. Step 6: Final answer
    x = 717,067,162.29

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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.