Home / 810,691,593.27-1,118,756,047.24-439,413,876.15

Finding the Fourth Proportional to 810,691,593.27, 1,118,756,047.24 and 439,413,876.15

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Solution

The fourth proportional to 810,691,593.27, 1,118,756,047.24 and 439,413,876.15 is: 606,392,042.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,691,593.27 : 1,118,756,047.24 = 439,413,876.15 : x
  2. Step 2: Convert to fraction form
    810,691,593.27/1,118,756,047.24 = 439,413,876.15/x
  3. Step 3: Cross multiply
    810,691,593.27x = 1,118,756,047.24 × 439,413,876.15
  4. Step 4: Simplify right side
    810,691,593.27x = 491,596,931,182,882,304
  5. Step 5: Solve for x
    x = 491,596,931,182,882,304/810,691,593.27
  6. Step 6: Final answer
    x = 606,392,042.63

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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.