Home / 323,411,011.80-485,116,517.70-177,788,304.60

Finding the Fourth Proportional to 323,411,011.80, 485,116,517.70 and 177,788,304.60

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Solution

The fourth proportional to 323,411,011.80, 485,116,517.70 and 177,788,304.60 is: 266,682,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,411,011.80 : 485,116,517.70 = 177,788,304.60 : x
  2. Step 2: Convert to fraction form
    323,411,011.80/485,116,517.70 = 177,788,304.60/x
  3. Step 3: Cross multiply
    323,411,011.80x = 485,116,517.70 × 177,788,304.60
  4. Step 4: Simplify right side
    323,411,011.80x = 86,248,043,215,338,880
  5. Step 5: Solve for x
    x = 86,248,043,215,338,880/323,411,011.80
  6. Step 6: Final answer
    x = 266,682,456.90

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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.