Home / 323,677,999.70-485,516,999.55-321,410,518.10

Finding the Fourth Proportional to 323,677,999.70, 485,516,999.55 and 321,410,518.10

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Solution

The fourth proportional to 323,677,999.70, 485,516,999.55 and 321,410,518.10 is: 482,115,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,677,999.70 : 485,516,999.55 = 321,410,518.10 : x
  2. Step 2: Convert to fraction form
    323,677,999.70/485,516,999.55 = 321,410,518.10/x
  3. Step 3: Cross multiply
    323,677,999.70x = 485,516,999.55 × 321,410,518.10
  4. Step 4: Simplify right side
    323,677,999.70x = 156,050,270,371,722,976
  5. Step 5: Solve for x
    x = 156,050,270,371,722,976/323,677,999.70
  6. Step 6: Final answer
    x = 482,115,777.15

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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.