Home / 327,467,115.40-491,200,673.10-155,280,231.40

Finding the Fourth Proportional to 327,467,115.40, 491,200,673.10 and 155,280,231.40

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Solution

The fourth proportional to 327,467,115.40, 491,200,673.10 and 155,280,231.40 is: 232,920,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,467,115.40 : 491,200,673.10 = 155,280,231.40 : x
  2. Step 2: Convert to fraction form
    327,467,115.40/491,200,673.10 = 155,280,231.40/x
  3. Step 3: Cross multiply
    327,467,115.40x = 491,200,673.10 × 155,280,231.40
  4. Step 4: Simplify right side
    327,467,115.40x = 76,273,754,182,803,760
  5. Step 5: Solve for x
    x = 76,273,754,182,803,760/327,467,115.40
  6. Step 6: Final answer
    x = 232,920,347.10

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Similar ratio
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1.5x scale

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.