Home / 804,921,789.96-1,207,383,106.05-252,267,261.20

Finding the Fourth Proportional to 804,921,789.96, 1,207,383,106.05 and 252,267,261.20

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Solution

The fourth proportional to 804,921,789.96, 1,207,383,106.05 and 252,267,261.20 is: 378,401,023.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,921,789.96 : 1,207,383,106.05 = 252,267,261.20 : x
  2. Step 2: Convert to fraction form
    804,921,789.96/1,207,383,106.05 = 252,267,261.20/x
  3. Step 3: Cross multiply
    804,921,789.96x = 1,207,383,106.05 × 252,267,261.20
  4. Step 4: Simplify right side
    804,921,789.96x = 304,583,229,376,345,728
  5. Step 5: Solve for x
    x = 304,583,229,376,345,728/804,921,789.96
  6. Step 6: Final answer
    x = 378,401,023.77

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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.