Home / 408,950,248.08-612,970,999.92-311,584,964.88

Finding the Fourth Proportional to 408,950,248.08, 612,970,999.92 and 311,584,964.88

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Solution

The fourth proportional to 408,950,248.08, 612,970,999.92 and 311,584,964.88 is: 467,031,254.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,950,248.08 : 612,970,999.92 = 311,584,964.88 : x
  2. Step 2: Convert to fraction form
    408,950,248.08/612,970,999.92 = 311,584,964.88/x
  3. Step 3: Cross multiply
    408,950,248.08x = 612,970,999.92 × 311,584,964.88
  4. Step 4: Simplify right side
    408,950,248.08x = 190,992,547,482,531,680
  5. Step 5: Solve for x
    x = 190,992,547,482,531,680/408,950,248.08
  6. Step 6: Final answer
    x = 467,031,254.73

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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.