Home / 327,769,243.20-491,575,132.80-189,295,401.60

Finding the Fourth Proportional to 327,769,243.20, 491,575,132.80 and 189,295,401.60

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Solution

The fourth proportional to 327,769,243.20, 491,575,132.80 and 189,295,401.60 is: 283,897,632.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,769,243.20 : 491,575,132.80 = 189,295,401.60 : x
  2. Step 2: Convert to fraction form
    327,769,243.20/491,575,132.80 = 189,295,401.60/x
  3. Step 3: Cross multiply
    327,769,243.20x = 491,575,132.80 × 189,295,401.60
  4. Step 4: Simplify right side
    327,769,243.20x = 93,052,912,179,949,328
  5. Step 5: Solve for x
    x = 93,052,912,179,949,328/327,769,243.20
  6. Step 6: Final answer
    x = 283,897,632.59

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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.