Home / 579,881,591.38-800,236,727.27-319,121,207.38

Finding the Fourth Proportional to 579,881,591.38, 800,236,727.27 and 319,121,207.38

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Solution

The fourth proportional to 579,881,591.38, 800,236,727.27 and 319,121,207.38 is: 440,387,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,881,591.38 : 800,236,727.27 = 319,121,207.38 : x
  2. Step 2: Convert to fraction form
    579,881,591.38/800,236,727.27 = 319,121,207.38/x
  3. Step 3: Cross multiply
    579,881,591.38x = 800,236,727.27 × 319,121,207.38
  4. Step 4: Simplify right side
    579,881,591.38x = 255,372,510,596,222,176
  5. Step 5: Solve for x
    x = 255,372,510,596,222,176/579,881,591.38
  6. Step 6: Final answer
    x = 440,387,338.37

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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.