Home / 523,568,380.62-722,529,348.14-288,627,467.52

Finding the Fourth Proportional to 523,568,380.62, 722,529,348.14 and 288,627,467.52

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Solution

The fourth proportional to 523,568,380.62, 722,529,348.14 and 288,627,467.52 is: 398,308,652.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,568,380.62 : 722,529,348.14 = 288,627,467.52 : x
  2. Step 2: Convert to fraction form
    523,568,380.62/722,529,348.14 = 288,627,467.52/x
  3. Step 3: Cross multiply
    523,568,380.62x = 722,529,348.14 × 288,627,467.52
  4. Step 4: Simplify right side
    523,568,380.62x = 208,541,815,962,524,608
  5. Step 5: Solve for x
    x = 208,541,815,962,524,608/523,568,380.62
  6. Step 6: Final answer
    x = 398,308,652.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.