Home / 800,923,876.26-1,105,274,789.65-443,714,864.95

Finding the Fourth Proportional to 800,923,876.26, 1,105,274,789.65 and 443,714,864.95

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Solution

The fourth proportional to 800,923,876.26, 1,105,274,789.65 and 443,714,864.95 is: 612,326,425.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,923,876.26 : 1,105,274,789.65 = 443,714,864.95 : x
  2. Step 2: Convert to fraction form
    800,923,876.26/1,105,274,789.65 = 443,714,864.95/x
  3. Step 3: Cross multiply
    800,923,876.26x = 1,105,274,789.65 × 443,714,864.95
  4. Step 4: Simplify right side
    800,923,876.26x = 490,426,854,022,189,440
  5. Step 5: Solve for x
    x = 490,426,854,022,189,440/800,923,876.26
  6. Step 6: Final answer
    x = 612,326,425.22

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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.