Home / 20,065,183,742.31-30,080,939,556.11-8,871,250,640.55

Finding the Fourth Proportional to 20,065,183,742.31, 30,080,939,556.11 and 8,871,250,640.55

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Solution

The fourth proportional to 20,065,183,742.31, 30,080,939,556.11 and 8,871,250,640.55 is: 13,299,432,376.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065,183,742.31 : 30,080,939,556.11 = 8,871,250,640.55 : x
  2. Step 2: Convert to fraction form
    20,065,183,742.31/30,080,939,556.11 = 8,871,250,640.55/x
  3. Step 3: Cross multiply
    20,065,183,742.31x = 30,080,939,556.11 × 8,871,250,640.55
  4. Step 4: Simplify right side
    20,065,183,742.31x = 266,855,554,305,442,283,520
  5. Step 5: Solve for x
    x = 266,855,554,305,442,283,520/20,065,183,742.31
  6. Step 6: Final answer
    x = 13,299,432,376.63

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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.