Home / 298,040,630.60-447,060,945.90-252,690,998.60

Finding the Fourth Proportional to 298,040,630.60, 447,060,945.90 and 252,690,998.60

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Solution

The fourth proportional to 298,040,630.60, 447,060,945.90 and 252,690,998.60 is: 379,036,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,040,630.60 : 447,060,945.90 = 252,690,998.60 : x
  2. Step 2: Convert to fraction form
    298,040,630.60/447,060,945.90 = 252,690,998.60/x
  3. Step 3: Cross multiply
    298,040,630.60x = 447,060,945.90 × 252,690,998.60
  4. Step 4: Simplify right side
    298,040,630.60x = 112,968,276,854,531,568
  5. Step 5: Solve for x
    x = 112,968,276,854,531,568/298,040,630.60
  6. Step 6: Final answer
    x = 379,036,497.90

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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.