Home / 12,264,205,000.15-18,396,453,978.60-3,420,505,781.83

Finding the Fourth Proportional to 12,264,205,000.15, 18,396,453,978.60 and 3,420,505,781.83

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Solution

The fourth proportional to 12,264,205,000.15, 18,396,453,978.60 and 3,420,505,781.83 is: 5,130,799,525.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,264,205,000.15 : 18,396,453,978.60 = 3,420,505,781.83 : x
  2. Step 2: Convert to fraction form
    12,264,205,000.15/18,396,453,978.60 = 3,420,505,781.83/x
  3. Step 3: Cross multiply
    12,264,205,000.15x = 18,396,453,978.60 × 3,420,505,781.83
  4. Step 4: Simplify right side
    12,264,205,000.15x = 62,925,177,198,861,721,600
  5. Step 5: Solve for x
    x = 62,925,177,198,861,721,600/12,264,205,000.15
  6. Step 6: Final answer
    x = 5,130,799,525.78

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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.