Home / 339,977,005.20-509,965,507.80-271,952,557.20

Finding the Fourth Proportional to 339,977,005.20, 509,965,507.80 and 271,952,557.20

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Solution

The fourth proportional to 339,977,005.20, 509,965,507.80 and 271,952,557.20 is: 407,928,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,977,005.20 : 509,965,507.80 = 271,952,557.20 : x
  2. Step 2: Convert to fraction form
    339,977,005.20/509,965,507.80 = 271,952,557.20/x
  3. Step 3: Cross multiply
    339,977,005.20x = 509,965,507.80 × 271,952,557.20
  4. Step 4: Simplify right side
    339,977,005.20x = 138,686,423,930,006,544
  5. Step 5: Solve for x
    x = 138,686,423,930,006,544/339,977,005.20
  6. Step 6: Final answer
    x = 407,928,835.80

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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.