Home / 339,977,010.20-509,965,515.30-271,952,562.20

Finding the Fourth Proportional to 339,977,010.20, 509,965,515.30 and 271,952,562.20

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Solution

The fourth proportional to 339,977,010.20, 509,965,515.30 and 271,952,562.20 is: 407,928,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,977,010.20 : 509,965,515.30 = 271,952,562.20 : x
  2. Step 2: Convert to fraction form
    339,977,010.20/509,965,515.30 = 271,952,562.20/x
  3. Step 3: Cross multiply
    339,977,010.20x = 509,965,515.30 × 271,952,562.20
  4. Step 4: Simplify right side
    339,977,010.20x = 138,686,428,519,478,304
  5. Step 5: Solve for x
    x = 138,686,428,519,478,304/339,977,010.20
  6. Step 6: Final answer
    x = 407,928,843.30

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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.