Home / 579,881,594.38-800,236,731.42-319,121,210.38

Finding the Fourth Proportional to 579,881,594.38, 800,236,731.42 and 319,121,210.38

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Solution

The fourth proportional to 579,881,594.38, 800,236,731.42 and 319,121,210.38 is: 440,387,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,881,594.38 : 800,236,731.42 = 319,121,210.38 : x
  2. Step 2: Convert to fraction form
    579,881,594.38/800,236,731.42 = 319,121,210.38/x
  3. Step 3: Cross multiply
    579,881,594.38x = 800,236,731.42 × 319,121,210.38
  4. Step 4: Simplify right side
    579,881,594.38x = 255,372,514,321,285,344
  5. Step 5: Solve for x
    x = 255,372,514,321,285,344/579,881,594.38
  6. Step 6: Final answer
    x = 440,387,342.51

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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.