Home / 579,881,715.16-800,236,897.56-319,121,331.16

Finding the Fourth Proportional to 579,881,715.16, 800,236,897.56 and 319,121,331.16

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Solution

The fourth proportional to 579,881,715.16, 800,236,897.56 and 319,121,331.16 is: 440,387,508.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,881,715.16 : 800,236,897.56 = 319,121,331.16 : x
  2. Step 2: Convert to fraction form
    579,881,715.16/800,236,897.56 = 319,121,331.16/x
  3. Step 3: Cross multiply
    579,881,715.16x = 800,236,897.56 × 319,121,331.16
  4. Step 4: Simplify right side
    579,881,715.16x = 255,372,663,992,695,744
  5. Step 5: Solve for x
    x = 255,372,663,992,695,744/579,881,715.16
  6. Step 6: Final answer
    x = 440,387,508.89

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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.