Home / 811,342,500,876.52-1,217,052,892,630.60-266,778,942,425.04

Finding the Fourth Proportional to 811,342,500,876.52, 1,217,052,892,630.60 and 266,778,942,425.04

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Solution

The fourth proportional to 811,342,500,876.52, 1,217,052,892,630.60 and 266,778,942,425.04 is: 400,181,283,761.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,342,500,876.52 : 1,217,052,892,630.60 = 266,778,942,425.04 : x
  2. Step 2: Convert to fraction form
    811,342,500,876.52/1,217,052,892,630.60 = 266,778,942,425.04/x
  3. Step 3: Cross multiply
    811,342,500,876.52x = 1,217,052,892,630.60 × 266,778,942,425.04
  4. Step 4: Simplify right side
    811,342,500,876.52x = 324,684,083,571,327,252,824,064
  5. Step 5: Solve for x
    x = 324,684,083,571,327,252,824,064/811,342,500,876.52
  6. Step 6: Final answer
    x = 400,181,283,761.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.