Home / 790,612,040,889.60-1,090,968,379,362.80-443,396,415,761.68

Finding the Fourth Proportional to 790,612,040,889.60, 1,090,968,379,362.80 and 443,396,415,761.68

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Solution

The fourth proportional to 790,612,040,889.60, 1,090,968,379,362.80 and 443,396,415,761.68 is: 611,844,297,962.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,612,040,889.60 : 1,090,968,379,362.80 = 443,396,415,761.68 : x
  2. Step 2: Convert to fraction form
    790,612,040,889.60/1,090,968,379,362.80 = 443,396,415,761.68/x
  3. Step 3: Cross multiply
    790,612,040,889.60x = 1,090,968,379,362.80 × 443,396,415,761.68
  4. Step 4: Simplify right side
    790,612,040,889.60x = 483,731,469,118,794,331,324,416
  5. Step 5: Solve for x
    x = 483,731,469,118,794,331,324,416/790,612,040,889.60
  6. Step 6: Final answer
    x = 611,844,297,962.50

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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.