Home / 279,948,265.20-419,922,397.80-262,942,153.20

Finding the Fourth Proportional to 279,948,265.20, 419,922,397.80 and 262,942,153.20

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Solution

The fourth proportional to 279,948,265.20, 419,922,397.80 and 262,942,153.20 is: 394,413,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,948,265.20 : 419,922,397.80 = 262,942,153.20 : x
  2. Step 2: Convert to fraction form
    279,948,265.20/419,922,397.80 = 262,942,153.20/x
  3. Step 3: Cross multiply
    279,948,265.20x = 419,922,397.80 × 262,942,153.20
  4. Step 4: Simplify right side
    279,948,265.20x = 110,415,299,454,438,944
  5. Step 5: Solve for x
    x = 110,415,299,454,438,944/279,948,265.20
  6. Step 6: Final answer
    x = 394,413,229.80

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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.