Home / 13,794,658,301.80-20,691,987,452.70-7,989,905,405.80

Finding the Fourth Proportional to 13,794,658,301.80, 20,691,987,452.70 and 7,989,905,405.80

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Solution

The fourth proportional to 13,794,658,301.80, 20,691,987,452.70 and 7,989,905,405.80 is: 11,984,858,108.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794,658,301.80 : 20,691,987,452.70 = 7,989,905,405.80 : x
  2. Step 2: Convert to fraction form
    13,794,658,301.80/20,691,987,452.70 = 7,989,905,405.80/x
  3. Step 3: Cross multiply
    13,794,658,301.80x = 20,691,987,452.70 × 7,989,905,405.80
  4. Step 4: Simplify right side
    13,794,658,301.80x = 165,327,022,405,073,502,208
  5. Step 5: Solve for x
    x = 165,327,022,405,073,502,208/13,794,658,301.80
  6. Step 6: Final answer
    x = 11,984,858,108.70

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1.5x scale

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.