Home / 811,342,500,890.52-1,217,052,892,651.60-266,778,942,439.04

Finding the Fourth Proportional to 811,342,500,890.52, 1,217,052,892,651.60 and 266,778,942,439.04

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Solution

The fourth proportional to 811,342,500,890.52, 1,217,052,892,651.60 and 266,778,942,439.04 is: 400,181,283,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,342,500,890.52 : 1,217,052,892,651.60 = 266,778,942,439.04 : x
  2. Step 2: Convert to fraction form
    811,342,500,890.52/1,217,052,892,651.60 = 266,778,942,439.04/x
  3. Step 3: Cross multiply
    811,342,500,890.52x = 1,217,052,892,651.60 × 266,778,942,439.04
  4. Step 4: Simplify right side
    811,342,500,890.52x = 324,684,083,593,968,374,251,520
  5. Step 5: Solve for x
    x = 324,684,083,593,968,374,251,520/811,342,500,890.52
  6. Step 6: Final answer
    x = 400,181,283,782.87

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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.