Home / 616,818,879.12-925,231,468.50-207,878,572.56

Finding the Fourth Proportional to 616,818,879.12, 925,231,468.50 and 207,878,572.56

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Solution

The fourth proportional to 616,818,879.12, 925,231,468.50 and 207,878,572.56 is: 311,818,920.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,818,879.12 : 925,231,468.50 = 207,878,572.56 : x
  2. Step 2: Convert to fraction form
    616,818,879.12/925,231,468.50 = 207,878,572.56/x
  3. Step 3: Cross multiply
    616,818,879.12x = 925,231,468.50 × 207,878,572.56
  4. Step 4: Simplify right side
    616,818,879.12x = 192,335,796,959,372,608
  5. Step 5: Solve for x
    x = 192,335,796,959,372,608/616,818,879.12
  6. Step 6: Final answer
    x = 311,818,920.38

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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.