Home / 579,881,590.38-800,236,725.89-319,121,206.38

Finding the Fourth Proportional to 579,881,590.38, 800,236,725.89 and 319,121,206.38

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Solution

The fourth proportional to 579,881,590.38, 800,236,725.89 and 319,121,206.38 is: 440,387,336.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,881,590.38 : 800,236,725.89 = 319,121,206.38 : x
  2. Step 2: Convert to fraction form
    579,881,590.38/800,236,725.89 = 319,121,206.38/x
  3. Step 3: Cross multiply
    579,881,590.38x = 800,236,725.89 × 319,121,206.38
  4. Step 4: Simplify right side
    579,881,590.38x = 255,372,509,354,002,560
  5. Step 5: Solve for x
    x = 255,372,509,354,002,560/579,881,590.38
  6. Step 6: Final answer
    x = 440,387,336.98

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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.