Home / 728,066,125.80-1,092,099,188.70-267,909,078.60

Finding the Fourth Proportional to 728,066,125.80, 1,092,099,188.70 and 267,909,078.60

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Solution

The fourth proportional to 728,066,125.80, 1,092,099,188.70 and 267,909,078.60 is: 401,863,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,066,125.80 : 1,092,099,188.70 = 267,909,078.60 : x
  2. Step 2: Convert to fraction form
    728,066,125.80/1,092,099,188.70 = 267,909,078.60/x
  3. Step 3: Cross multiply
    728,066,125.80x = 1,092,099,188.70 × 267,909,078.60
  4. Step 4: Simplify right side
    728,066,125.80x = 292,583,287,384,424,512
  5. Step 5: Solve for x
    x = 292,583,287,384,424,512/728,066,125.80
  6. Step 6: Final answer
    x = 401,863,617.90

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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.