Home / 548,476,489.78-822,230,453.74-419,659,177.18

Finding the Fourth Proportional to 548,476,489.78, 822,230,453.74 and 419,659,177.18

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Solution

The fourth proportional to 548,476,489.78, 822,230,453.74 and 419,659,177.18 is: 629,118,224.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,476,489.78 : 822,230,453.74 = 419,659,177.18 : x
  2. Step 2: Convert to fraction form
    548,476,489.78/822,230,453.74 = 419,659,177.18/x
  3. Step 3: Cross multiply
    548,476,489.78x = 822,230,453.74 × 419,659,177.18
  4. Step 4: Simplify right side
    548,476,489.78x = 345,056,555,668,866,432
  5. Step 5: Solve for x
    x = 345,056,555,668,866,432/548,476,489.78
  6. Step 6: Final answer
    x = 629,118,224.93

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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.