Home / 457,137,833.66-630,839,480.20-268,978,314.83

Finding the Fourth Proportional to 457,137,833.66, 630,839,480.20 and 268,978,314.83

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Solution

The fourth proportional to 457,137,833.66, 630,839,480.20 and 268,978,314.83 is: 371,183,760.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,137,833.66 : 630,839,480.20 = 268,978,314.83 : x
  2. Step 2: Convert to fraction form
    457,137,833.66/630,839,480.20 = 268,978,314.83/x
  3. Step 3: Cross multiply
    457,137,833.66x = 630,839,480.20 × 268,978,314.83
  4. Step 4: Simplify right side
    457,137,833.66x = 169,682,140,311,084,256
  5. Step 5: Solve for x
    x = 169,682,140,311,084,256/457,137,833.66
  6. Step 6: Final answer
    x = 371,183,760.82

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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.