Home / 491,110,435.72-677,748,441.78-268,104,008.20

Finding the Fourth Proportional to 491,110,435.72, 677,748,441.78 and 268,104,008.20

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Solution

The fourth proportional to 491,110,435.72, 677,748,441.78 and 268,104,008.20 is: 369,992,288.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,110,435.72 : 677,748,441.78 = 268,104,008.20 : x
  2. Step 2: Convert to fraction form
    491,110,435.72/677,748,441.78 = 268,104,008.20/x
  3. Step 3: Cross multiply
    491,110,435.72x = 677,748,441.78 × 268,104,008.20
  4. Step 4: Simplify right side
    491,110,435.72x = 181,707,073,792,522,336
  5. Step 5: Solve for x
    x = 181,707,073,792,522,336/491,110,435.72
  6. Step 6: Final answer
    x = 369,992,288.04

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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.