Home / 538,790,269.41-743,474,817.72-397,736,380.17

Finding the Fourth Proportional to 538,790,269.41, 743,474,817.72 and 397,736,380.17

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Solution

The fourth proportional to 538,790,269.41, 743,474,817.72 and 397,736,380.17 is: 548,835,046.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,790,269.41 : 743,474,817.72 = 397,736,380.17 : x
  2. Step 2: Convert to fraction form
    538,790,269.41/743,474,817.72 = 397,736,380.17/x
  3. Step 3: Cross multiply
    538,790,269.41x = 743,474,817.72 × 397,736,380.17
  4. Step 4: Simplify right side
    538,790,269.41x = 295,706,982,747,503,424
  5. Step 5: Solve for x
    x = 295,706,982,747,503,424/538,790,269.41
  6. Step 6: Final answer
    x = 548,835,046.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.