Home / 491,000,398.66-677,570,945.61-267,983,679.23

Finding the Fourth Proportional to 491,000,398.66, 677,570,945.61 and 267,983,679.23

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Solution

The fourth proportional to 491,000,398.66, 677,570,945.61 and 267,983,679.23 is: 369,812,235.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,000,398.66 : 677,570,945.61 = 267,983,679.23 : x
  2. Step 2: Convert to fraction form
    491,000,398.66/677,570,945.61 = 267,983,679.23/x
  3. Step 3: Cross multiply
    491,000,398.66x = 677,570,945.61 × 267,983,679.23
  4. Step 4: Simplify right side
    491,000,398.66x = 181,577,954,943,918,016
  5. Step 5: Solve for x
    x = 181,577,954,943,918,016/491,000,398.66
  6. Step 6: Final answer
    x = 369,812,235.26

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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.