Home / 546,479,910.78-819,719,229.48-178,014,268.68

Finding the Fourth Proportional to 546,479,910.78, 819,719,229.48 and 178,014,268.68

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Solution

The fourth proportional to 546,479,910.78, 819,719,229.48 and 178,014,268.68 is: 267,021,195.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,479,910.78 : 819,719,229.48 = 178,014,268.68 : x
  2. Step 2: Convert to fraction form
    546,479,910.78/819,719,229.48 = 178,014,268.68/x
  3. Step 3: Cross multiply
    546,479,910.78x = 819,719,229.48 × 178,014,268.68
  4. Step 4: Simplify right side
    546,479,910.78x = 145,921,719,158,815,296
  5. Step 5: Solve for x
    x = 145,921,719,158,815,296/546,479,910.78
  6. Step 6: Final answer
    x = 267,021,195.62

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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.