Home / 804,921,780.96-1,207,383,092.55-252,267,252.20

Finding the Fourth Proportional to 804,921,780.96, 1,207,383,092.55 and 252,267,252.20

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Solution

The fourth proportional to 804,921,780.96, 1,207,383,092.55 and 252,267,252.20 is: 378,401,010.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,921,780.96 : 1,207,383,092.55 = 252,267,252.20 : x
  2. Step 2: Convert to fraction form
    804,921,780.96/1,207,383,092.55 = 252,267,252.20/x
  3. Step 3: Cross multiply
    804,921,780.96x = 1,207,383,092.55 × 252,267,252.20
  4. Step 4: Simplify right side
    804,921,780.96x = 304,583,215,104,289,856
  5. Step 5: Solve for x
    x = 304,583,215,104,289,856/804,921,780.96
  6. Step 6: Final answer
    x = 378,401,010.27

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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.