Home / 827,451,800.72-1,240,804,191.58-237,107,012.12

Finding the Fourth Proportional to 827,451,800.72, 1,240,804,191.58 and 237,107,012.12

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Solution

The fourth proportional to 827,451,800.72, 1,240,804,191.58 and 237,107,012.12 is: 355,553,488.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,451,800.72 : 1,240,804,191.58 = 237,107,012.12 : x
  2. Step 2: Convert to fraction form
    827,451,800.72/1,240,804,191.58 = 237,107,012.12/x
  3. Step 3: Cross multiply
    827,451,800.72x = 1,240,804,191.58 × 237,107,012.12
  4. Step 4: Simplify right side
    827,451,800.72x = 294,203,374,491,505,856
  5. Step 5: Solve for x
    x = 294,203,374,491,505,856/827,451,800.72
  6. Step 6: Final answer
    x = 355,553,488.72

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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.