Home / 457,083,653.10-685,625,479.65-319,334,145.90

Finding the Fourth Proportional to 457,083,653.10, 685,625,479.65 and 319,334,145.90

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Solution

The fourth proportional to 457,083,653.10, 685,625,479.65 and 319,334,145.90 is: 479,001,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,083,653.10 : 685,625,479.65 = 319,334,145.90 : x
  2. Step 2: Convert to fraction form
    457,083,653.10/685,625,479.65 = 319,334,145.90/x
  3. Step 3: Cross multiply
    457,083,653.10x = 685,625,479.65 × 319,334,145.90
  4. Step 4: Simplify right side
    457,083,653.10x = 218,943,626,951,310,560
  5. Step 5: Solve for x
    x = 218,943,626,951,310,560/457,083,653.10
  6. Step 6: Final answer
    x = 479,001,218.85

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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.