Home / 327,467,120.40-491,200,680.60-155,280,236.40

Finding the Fourth Proportional to 327,467,120.40, 491,200,680.60 and 155,280,236.40

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Solution

The fourth proportional to 327,467,120.40, 491,200,680.60 and 155,280,236.40 is: 232,920,354.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,467,120.40 : 491,200,680.60 = 155,280,236.40 : x
  2. Step 2: Convert to fraction form
    327,467,120.40/491,200,680.60 = 155,280,236.40/x
  3. Step 3: Cross multiply
    327,467,120.40x = 491,200,680.60 × 155,280,236.40
  4. Step 4: Simplify right side
    327,467,120.40x = 76,273,757,803,408,896
  5. Step 5: Solve for x
    x = 76,273,757,803,408,896/327,467,120.40
  6. Step 6: Final answer
    x = 232,920,354.60

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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.