Home / 479,322,099.18-661,458,054.62-267,632,221.50

Finding the Fourth Proportional to 479,322,099.18, 661,458,054.62 and 267,632,221.50

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Solution

The fourth proportional to 479,322,099.18, 661,458,054.62 and 267,632,221.50 is: 369,328,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,322,099.18 : 661,458,054.62 = 267,632,221.50 : x
  2. Step 2: Convert to fraction form
    479,322,099.18/661,458,054.62 = 267,632,221.50/x
  3. Step 3: Cross multiply
    479,322,099.18x = 661,458,054.62 × 267,632,221.50
  4. Step 4: Simplify right side
    479,322,099.18x = 177,027,488,587,688,000
  5. Step 5: Solve for x
    x = 177,027,488,587,688,000/479,322,099.18
  6. Step 6: Final answer
    x = 369,328,868.61

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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.