Home / 327,766,538.10-491,649,807.15-254,587,112.40

Finding the Fourth Proportional to 327,766,538.10, 491,649,807.15 and 254,587,112.40

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Solution

The fourth proportional to 327,766,538.10, 491,649,807.15 and 254,587,112.40 is: 381,880,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,766,538.10 : 491,649,807.15 = 254,587,112.40 : x
  2. Step 2: Convert to fraction form
    327,766,538.10/491,649,807.15 = 254,587,112.40/x
  3. Step 3: Cross multiply
    327,766,538.10x = 491,649,807.15 × 254,587,112.40
  4. Step 4: Simplify right side
    327,766,538.10x = 125,167,704,714,335,376
  5. Step 5: Solve for x
    x = 125,167,704,714,335,376/327,766,538.10
  6. Step 6: Final answer
    x = 381,880,668.60

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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.