Home / 396,153,027.08-546,669,836.96-219,929,672.36

Finding the Fourth Proportional to 396,153,027.08, 546,669,836.96 and 219,929,672.36

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Solution

The fourth proportional to 396,153,027.08, 546,669,836.96 and 219,929,672.36 is: 303,491,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,153,027.08 : 546,669,836.96 = 219,929,672.36 : x
  2. Step 2: Convert to fraction form
    396,153,027.08/546,669,836.96 = 219,929,672.36/x
  3. Step 3: Cross multiply
    396,153,027.08x = 546,669,836.96 × 219,929,672.36
  4. Step 4: Simplify right side
    396,153,027.08x = 120,228,918,131,707,440
  5. Step 5: Solve for x
    x = 120,228,918,131,707,440/396,153,027.08
  6. Step 6: Final answer
    x = 303,491,100.44

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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.