Home / 404,190,610.20-606,285,915.30-145,414,272.60

Finding the Fourth Proportional to 404,190,610.20, 606,285,915.30 and 145,414,272.60

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Solution

The fourth proportional to 404,190,610.20, 606,285,915.30 and 145,414,272.60 is: 218,121,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,190,610.20 : 606,285,915.30 = 145,414,272.60 : x
  2. Step 2: Convert to fraction form
    404,190,610.20/606,285,915.30 = 145,414,272.60/x
  3. Step 3: Cross multiply
    404,190,610.20x = 606,285,915.30 × 145,414,272.60
  4. Step 4: Simplify right side
    404,190,610.20x = 88,162,625,360,974,704
  5. Step 5: Solve for x
    x = 88,162,625,360,974,704/404,190,610.20
  6. Step 6: Final answer
    x = 218,121,408.90

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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.