Home / 399,707,872.20-599,561,808.30-227,520,988.20

Finding the Fourth Proportional to 399,707,872.20, 599,561,808.30 and 227,520,988.20

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Solution

The fourth proportional to 399,707,872.20, 599,561,808.30 and 227,520,988.20 is: 341,281,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,707,872.20 : 599,561,808.30 = 227,520,988.20 : x
  2. Step 2: Convert to fraction form
    399,707,872.20/599,561,808.30 = 227,520,988.20/x
  3. Step 3: Cross multiply
    399,707,872.20x = 599,561,808.30 × 227,520,988.20
  4. Step 4: Simplify right side
    399,707,872.20x = 136,412,895,111,394,944
  5. Step 5: Solve for x
    x = 136,412,895,111,394,944/399,707,872.20
  6. Step 6: Final answer
    x = 341,281,482.30

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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.