Home / 1,040,363,239.78-1,560,891,764.94-691,982,738.94

Finding the Fourth Proportional to 1,040,363,239.78, 1,560,891,764.94 and 691,982,738.94

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Solution

The fourth proportional to 1,040,363,239.78, 1,560,891,764.94 and 691,982,738.94 is: 1,038,204,847.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,363,239.78 : 1,560,891,764.94 = 691,982,738.94 : x
  2. Step 2: Convert to fraction form
    1,040,363,239.78/1,560,891,764.94 = 691,982,738.94/x
  3. Step 3: Cross multiply
    1,040,363,239.78x = 1,560,891,764.94 × 691,982,738.94
  4. Step 4: Simplify right side
    1,040,363,239.78x = 1,080,110,158,692,071,936
  5. Step 5: Solve for x
    x = 1,080,110,158,692,071,936/1,040,363,239.78
  6. Step 6: Final answer
    x = 1,038,204,847.49

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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.