Home / 491,238,197.94-677,918,149.01-268,228,721.73

Finding the Fourth Proportional to 491,238,197.94, 677,918,149.01 and 268,228,721.73

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Solution

The fourth proportional to 491,238,197.94, 677,918,149.01 and 268,228,721.73 is: 370,160,788.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,238,197.94 : 677,918,149.01 = 268,228,721.73 : x
  2. Step 2: Convert to fraction form
    491,238,197.94/677,918,149.01 = 268,228,721.73/x
  3. Step 3: Cross multiply
    491,238,197.94x = 677,918,149.01 × 268,228,721.73
  4. Step 4: Simplify right side
    491,238,197.94x = 181,837,118,550,224,832
  5. Step 5: Solve for x
    x = 181,837,118,550,224,832/491,238,197.94
  6. Step 6: Final answer
    x = 370,160,788.21

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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.