Home / 683,580,190.80-1,025,398,279.80-198,905,998.80

Finding the Fourth Proportional to 683,580,190.80, 1,025,398,279.80 and 198,905,998.80

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Solution

The fourth proportional to 683,580,190.80, 1,025,398,279.80 and 198,905,998.80 is: 298,367,143.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,580,190.80 : 1,025,398,279.80 = 198,905,998.80 : x
  2. Step 2: Convert to fraction form
    683,580,190.80/1,025,398,279.80 = 198,905,998.80/x
  3. Step 3: Cross multiply
    683,580,190.80x = 1,025,398,279.80 × 198,905,998.80
  4. Step 4: Simplify right side
    683,580,190.80x = 203,957,869,011,420,864
  5. Step 5: Solve for x
    x = 203,957,869,011,420,864/683,580,190.80
  6. Step 6: Final answer
    x = 298,367,143.69

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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.