Home / 386,799,414.60-580,199,121.90-264,355,408.20

Finding the Fourth Proportional to 386,799,414.60, 580,199,121.90 and 264,355,408.20

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Solution

The fourth proportional to 386,799,414.60, 580,199,121.90 and 264,355,408.20 is: 396,533,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,799,414.60 : 580,199,121.90 = 264,355,408.20 : x
  2. Step 2: Convert to fraction form
    386,799,414.60/580,199,121.90 = 264,355,408.20/x
  3. Step 3: Cross multiply
    386,799,414.60x = 580,199,121.90 × 264,355,408.20
  4. Step 4: Simplify right side
    386,799,414.60x = 153,378,775,707,156,032
  5. Step 5: Solve for x
    x = 153,378,775,707,156,032/386,799,414.60
  6. Step 6: Final answer
    x = 396,533,112.30

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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.