Home / 790,612,040,908.10-1,090,968,379,388.30-443,396,415,780.20

Finding the Fourth Proportional to 790,612,040,908.10, 1,090,968,379,388.30 and 443,396,415,780.20

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Solution

The fourth proportional to 790,612,040,908.10, 1,090,968,379,388.30 and 443,396,415,780.20 is: 611,844,297,988.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,612,040,908.10 : 1,090,968,379,388.30 = 443,396,415,780.20 : x
  2. Step 2: Convert to fraction form
    790,612,040,908.10/1,090,968,379,388.30 = 443,396,415,780.20/x
  3. Step 3: Cross multiply
    790,612,040,908.10x = 1,090,968,379,388.30 × 443,396,415,780.20
  4. Step 4: Simplify right side
    790,612,040,908.10x = 483,731,469,150,305,701,068,800
  5. Step 5: Solve for x
    x = 483,731,469,150,305,701,068,800/790,612,040,908.10
  6. Step 6: Final answer
    x = 611,844,297,988.04

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Double scale
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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.