Home / 267,747,369.60-399,818,039.44-218,660,599.78

Finding the Fourth Proportional to 267,747,369.60, 399,818,039.44 and 218,660,599.78

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Solution

The fourth proportional to 267,747,369.60, 399,818,039.44 and 218,660,599.78 is: 326,518,435.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,747,369.60 : 399,818,039.44 = 218,660,599.78 : x
  2. Step 2: Convert to fraction form
    267,747,369.60/399,818,039.44 = 218,660,599.78/x
  3. Step 3: Cross multiply
    267,747,369.60x = 399,818,039.44 × 218,660,599.78
  4. Step 4: Simplify right side
    267,747,369.60x = 87,424,452,306,814,096
  5. Step 5: Solve for x
    x = 87,424,452,306,814,096/267,747,369.60
  6. Step 6: Final answer
    x = 326,518,435.78

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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.