Home / 457,083,670.60-685,625,505.90-319,334,163.40

Finding the Fourth Proportional to 457,083,670.60, 685,625,505.90 and 319,334,163.40

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Solution

The fourth proportional to 457,083,670.60, 685,625,505.90 and 319,334,163.40 is: 479,001,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,083,670.60 : 685,625,505.90 = 319,334,163.40 : x
  2. Step 2: Convert to fraction form
    457,083,670.60/685,625,505.90 = 319,334,163.40/x
  3. Step 3: Cross multiply
    457,083,670.60x = 685,625,505.90 × 319,334,163.40
  4. Step 4: Simplify right side
    457,083,670.60x = 218,943,647,332,278,240
  5. Step 5: Solve for x
    x = 218,943,647,332,278,240/457,083,670.60
  6. Step 6: Final answer
    x = 479,001,245.10

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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.