Home / 267,747,365.70-399,818,033.61-218,660,595.86

Finding the Fourth Proportional to 267,747,365.70, 399,818,033.61 and 218,660,595.86

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Solution

The fourth proportional to 267,747,365.70, 399,818,033.61 and 218,660,595.86 is: 326,518,429.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,747,365.70 : 399,818,033.61 = 218,660,595.86 : x
  2. Step 2: Convert to fraction form
    267,747,365.70/399,818,033.61 = 218,660,595.86/x
  3. Step 3: Cross multiply
    267,747,365.70x = 399,818,033.61 × 218,660,595.86
  4. Step 4: Simplify right side
    267,747,365.70x = 87,424,449,464,736,112
  5. Step 5: Solve for x
    x = 87,424,449,464,736,112/267,747,365.70
  6. Step 6: Final answer
    x = 326,518,429.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.