Home / 790,612,040,891.35-1,090,968,379,365.20-443,396,415,763.43

Finding the Fourth Proportional to 790,612,040,891.35, 1,090,968,379,365.20 and 443,396,415,763.43

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Solution

The fourth proportional to 790,612,040,891.35, 1,090,968,379,365.20 and 443,396,415,763.43 is: 611,844,297,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,612,040,891.35 : 1,090,968,379,365.20 = 443,396,415,763.43 : x
  2. Step 2: Convert to fraction form
    790,612,040,891.35/1,090,968,379,365.20 = 443,396,415,763.43/x
  3. Step 3: Cross multiply
    790,612,040,891.35x = 1,090,968,379,365.20 × 443,396,415,763.43
  4. Step 4: Simplify right side
    790,612,040,891.35x = 483,731,469,121,767,589,543,936
  5. Step 5: Solve for x
    x = 483,731,469,121,767,589,543,936/790,612,040,891.35
  6. Step 6: Final answer
    x = 611,844,297,964.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.