Home / 491,000,400.66-677,570,948.37-267,983,681.24

Finding the Fourth Proportional to 491,000,400.66, 677,570,948.37 and 267,983,681.24

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Solution

The fourth proportional to 491,000,400.66, 677,570,948.37 and 267,983,681.24 is: 369,812,238.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,000,400.66 : 677,570,948.37 = 267,983,681.24 : x
  2. Step 2: Convert to fraction form
    491,000,400.66/677,570,948.37 = 267,983,681.24/x
  3. Step 3: Cross multiply
    491,000,400.66x = 677,570,948.37 × 267,983,681.24
  4. Step 4: Simplify right side
    491,000,400.66x = 181,577,957,042,082,720
  5. Step 5: Solve for x
    x = 181,577,957,042,082,720/491,000,400.66
  6. Step 6: Final answer
    x = 369,812,238.03

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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.