Home / 1,391,008,090.80-2,086,512,136.20-982,861,402.80

Finding the Fourth Proportional to 1,391,008,090.80, 2,086,512,136.20 and 982,861,402.80

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Solution

The fourth proportional to 1,391,008,090.80, 2,086,512,136.20 and 982,861,402.80 is: 1,474,292,104.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,008,090.80 : 2,086,512,136.20 = 982,861,402.80 : x
  2. Step 2: Convert to fraction form
    1,391,008,090.80/2,086,512,136.20 = 982,861,402.80/x
  3. Step 3: Cross multiply
    1,391,008,090.80x = 2,086,512,136.20 × 982,861,402.80
  4. Step 4: Simplify right side
    1,391,008,090.80x = 2,050,752,245,144,756,736
  5. Step 5: Solve for x
    x = 2,050,752,245,144,756,736/1,391,008,090.80
  6. Step 6: Final answer
    x = 1,474,292,104.20

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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.