Home / 263,261,569.80-394,892,354.70-220,935,246.60

Finding the Fourth Proportional to 263,261,569.80, 394,892,354.70 and 220,935,246.60

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Solution

The fourth proportional to 263,261,569.80, 394,892,354.70 and 220,935,246.60 is: 331,402,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,261,569.80 : 394,892,354.70 = 220,935,246.60 : x
  2. Step 2: Convert to fraction form
    263,261,569.80/394,892,354.70 = 220,935,246.60/x
  3. Step 3: Cross multiply
    263,261,569.80x = 394,892,354.70 × 220,935,246.60
  4. Step 4: Simplify right side
    263,261,569.80x = 87,245,639,766,099,168
  5. Step 5: Solve for x
    x = 87,245,639,766,099,168/263,261,569.80
  6. Step 6: Final answer
    x = 331,402,869.90

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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.