Home / 388,295,422.75-582,524,934.78-125,959,489.87

Finding the Fourth Proportional to 388,295,422.75, 582,524,934.78 and 125,959,489.87

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Solution

The fourth proportional to 388,295,422.75, 582,524,934.78 and 125,959,489.87 is: 188,965,770.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,295,422.75 : 582,524,934.78 = 125,959,489.87 : x
  2. Step 2: Convert to fraction form
    388,295,422.75/582,524,934.78 = 125,959,489.87/x
  3. Step 3: Cross multiply
    388,295,422.75x = 582,524,934.78 × 125,959,489.87
  4. Step 4: Simplify right side
    388,295,422.75x = 73,374,543,621,443,824
  5. Step 5: Solve for x
    x = 73,374,543,621,443,824/388,295,422.75
  6. Step 6: Final answer
    x = 188,965,770.19

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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.