Home / 383,013,003.60-574,519,505.40-140,644,414.80

Finding the Fourth Proportional to 383,013,003.60, 574,519,505.40 and 140,644,414.80

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Solution

The fourth proportional to 383,013,003.60, 574,519,505.40 and 140,644,414.80 is: 210,966,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,013,003.60 : 574,519,505.40 = 140,644,414.80 : x
  2. Step 2: Convert to fraction form
    383,013,003.60/574,519,505.40 = 140,644,414.80/x
  3. Step 3: Cross multiply
    383,013,003.60x = 574,519,505.40 × 140,644,414.80
  4. Step 4: Simplify right side
    383,013,003.60x = 80,802,959,628,168,448
  5. Step 5: Solve for x
    x = 80,802,959,628,168,448/383,013,003.60
  6. Step 6: Final answer
    x = 210,966,622.20

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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.