Home / 728,066,140.80-1,092,099,211.20-267,909,093.60

Finding the Fourth Proportional to 728,066,140.80, 1,092,099,211.20 and 267,909,093.60

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Solution

The fourth proportional to 728,066,140.80, 1,092,099,211.20 and 267,909,093.60 is: 401,863,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,066,140.80 : 1,092,099,211.20 = 267,909,093.60 : x
  2. Step 2: Convert to fraction form
    728,066,140.80/1,092,099,211.20 = 267,909,093.60/x
  3. Step 3: Cross multiply
    728,066,140.80x = 1,092,099,211.20 × 267,909,093.60
  4. Step 4: Simplify right side
    728,066,140.80x = 292,583,309,793,866,944
  5. Step 5: Solve for x
    x = 292,583,309,793,866,944/728,066,140.80
  6. Step 6: Final answer
    x = 401,863,640.40

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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.