Home / 327,769,288.20-491,575,200.30-189,295,446.60

Finding the Fourth Proportional to 327,769,288.20, 491,575,200.30 and 189,295,446.60

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Solution

The fourth proportional to 327,769,288.20, 491,575,200.30 and 189,295,446.60 is: 283,897,700.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,769,288.20 : 491,575,200.30 = 189,295,446.60 : x
  2. Step 2: Convert to fraction form
    327,769,288.20/491,575,200.30 = 189,295,446.60/x
  3. Step 3: Cross multiply
    327,769,288.20x = 491,575,200.30 × 189,295,446.60
  4. Step 4: Simplify right side
    327,769,288.20x = 93,052,947,078,272,960
  5. Step 5: Solve for x
    x = 93,052,947,078,272,960/327,769,288.20
  6. Step 6: Final answer
    x = 283,897,700.08

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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.