Home / 523,568,380.11-722,529,347.45-288,627,467.01

Finding the Fourth Proportional to 523,568,380.11, 722,529,347.45 and 288,627,467.01

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Solution

The fourth proportional to 523,568,380.11, 722,529,347.45 and 288,627,467.01 is: 398,308,651.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,568,380.11 : 722,529,347.45 = 288,627,467.01 : x
  2. Step 2: Convert to fraction form
    523,568,380.11/722,529,347.45 = 288,627,467.01/x
  3. Step 3: Cross multiply
    523,568,380.11x = 722,529,347.45 × 288,627,467.01
  4. Step 4: Simplify right side
    523,568,380.11x = 208,541,815,393,438,560
  5. Step 5: Solve for x
    x = 208,541,815,393,438,560/523,568,380.11
  6. Step 6: Final answer
    x = 398,308,651.39

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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.