Home / 388,295,421.75-582,524,933.28-125,959,488.87

Finding the Fourth Proportional to 388,295,421.75, 582,524,933.28 and 125,959,488.87

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Solution

The fourth proportional to 388,295,421.75, 582,524,933.28 and 125,959,488.87 is: 188,965,768.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,295,421.75 : 582,524,933.28 = 125,959,488.87 : x
  2. Step 2: Convert to fraction form
    388,295,421.75/582,524,933.28 = 125,959,488.87/x
  3. Step 3: Cross multiply
    388,295,421.75x = 582,524,933.28 × 125,959,488.87
  4. Step 4: Simplify right side
    388,295,421.75x = 73,374,542,849,979,648
  5. Step 5: Solve for x
    x = 73,374,542,849,979,648/388,295,421.75
  6. Step 6: Final answer
    x = 188,965,768.69

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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.