Home / 323,410,822.30-485,116,233.45-177,788,115.10

Finding the Fourth Proportional to 323,410,822.30, 485,116,233.45 and 177,788,115.10

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Solution

The fourth proportional to 323,410,822.30, 485,116,233.45 and 177,788,115.10 is: 266,682,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,410,822.30 : 485,116,233.45 = 177,788,115.10 : x
  2. Step 2: Convert to fraction form
    323,410,822.30/485,116,233.45 = 177,788,115.10/x
  3. Step 3: Cross multiply
    323,410,822.30x = 485,116,233.45 × 177,788,115.10
  4. Step 4: Simplify right side
    323,410,822.30x = 86,247,900,749,487,072
  5. Step 5: Solve for x
    x = 86,247,900,749,487,072/323,410,822.30
  6. Step 6: Final answer
    x = 266,682,172.65

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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.