Home / 323,676,327.20-485,514,490.80-321,408,845.60

Finding the Fourth Proportional to 323,676,327.20, 485,514,490.80 and 321,408,845.60

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Solution

The fourth proportional to 323,676,327.20, 485,514,490.80 and 321,408,845.60 is: 482,113,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,676,327.20 : 485,514,490.80 = 321,408,845.60 : x
  2. Step 2: Convert to fraction form
    323,676,327.20/485,514,490.80 = 321,408,845.60/x
  3. Step 3: Cross multiply
    323,676,327.20x = 485,514,490.80 × 321,408,845.60
  4. Step 4: Simplify right side
    323,676,327.20x = 156,048,652,010,099,840
  5. Step 5: Solve for x
    x = 156,048,652,010,099,840/323,676,327.20
  6. Step 6: Final answer
    x = 482,113,268.40

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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.