Home / 491,238,203.95-677,918,157.30-268,228,727.74

Finding the Fourth Proportional to 491,238,203.95, 677,918,157.30 and 268,228,727.74

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Solution

The fourth proportional to 491,238,203.95, 677,918,157.30 and 268,228,727.74 is: 370,160,796.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,238,203.95 : 677,918,157.30 = 268,228,727.74 : x
  2. Step 2: Convert to fraction form
    491,238,203.95/677,918,157.30 = 268,228,727.74/x
  3. Step 3: Cross multiply
    491,238,203.95x = 677,918,157.30 × 268,228,727.74
  4. Step 4: Simplify right side
    491,238,203.95x = 181,837,124,844,424,192
  5. Step 5: Solve for x
    x = 181,837,124,844,424,192/491,238,203.95
  6. Step 6: Final answer
    x = 370,160,796.50

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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.