Home / 810,523,660.47-1,118,523,608.22-439,245,691.86

Finding the Fourth Proportional to 810,523,660.47, 1,118,523,608.22 and 439,245,691.86

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Solution

The fourth proportional to 810,523,660.47, 1,118,523,608.22 and 439,245,691.86 is: 606,159,573.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,523,660.47 : 1,118,523,608.22 = 439,245,691.86 : x
  2. Step 2: Convert to fraction form
    810,523,660.47/1,118,523,608.22 = 439,245,691.86/x
  3. Step 3: Cross multiply
    810,523,660.47x = 1,118,523,608.22 × 439,245,691.86
  4. Step 4: Simplify right side
    810,523,660.47x = 491,306,676,154,337,536
  5. Step 5: Solve for x
    x = 491,306,676,154,337,536/810,523,660.47
  6. Step 6: Final answer
    x = 606,159,573.27

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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.