Home / 311,059,943.60-466,589,915.40-261,175,348.40

Finding the Fourth Proportional to 311,059,943.60, 466,589,915.40 and 261,175,348.40

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Solution

The fourth proportional to 311,059,943.60, 466,589,915.40 and 261,175,348.40 is: 391,763,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,059,943.60 : 466,589,915.40 = 261,175,348.40 : x
  2. Step 2: Convert to fraction form
    311,059,943.60/466,589,915.40 = 261,175,348.40/x
  3. Step 3: Cross multiply
    311,059,943.60x = 466,589,915.40 × 261,175,348.40
  4. Step 4: Simplify right side
    311,059,943.60x = 121,861,783,714,521,520
  5. Step 5: Solve for x
    x = 121,861,783,714,521,520/311,059,943.60
  6. Step 6: Final answer
    x = 391,763,022.60

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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.