Home / 267,983,261.20-401,974,891.80-256,645,853.20

Finding the Fourth Proportional to 267,983,261.20, 401,974,891.80 and 256,645,853.20

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Solution

The fourth proportional to 267,983,261.20, 401,974,891.80 and 256,645,853.20 is: 384,968,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,983,261.20 : 401,974,891.80 = 256,645,853.20 : x
  2. Step 2: Convert to fraction form
    267,983,261.20/401,974,891.80 = 256,645,853.20/x
  3. Step 3: Cross multiply
    267,983,261.20x = 401,974,891.80 × 256,645,853.20
  4. Step 4: Simplify right side
    267,983,261.20x = 103,165,189,070,988,688
  5. Step 5: Solve for x
    x = 103,165,189,070,988,688/267,983,261.20
  6. Step 6: Final answer
    x = 384,968,779.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.