Home / 323,410,818.30-485,116,227.45-177,788,111.10

Finding the Fourth Proportional to 323,410,818.30, 485,116,227.45 and 177,788,111.10

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Solution

The fourth proportional to 323,410,818.30, 485,116,227.45 and 177,788,111.10 is: 266,682,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,410,818.30 : 485,116,227.45 = 177,788,111.10 : x
  2. Step 2: Convert to fraction form
    323,410,818.30/485,116,227.45 = 177,788,111.10/x
  3. Step 3: Cross multiply
    323,410,818.30x = 485,116,227.45 × 177,788,111.10
  4. Step 4: Simplify right side
    323,410,818.30x = 86,247,897,742,293,472
  5. Step 5: Solve for x
    x = 86,247,897,742,293,472/323,410,818.30
  6. Step 6: Final answer
    x = 266,682,166.65

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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.