Home / 13,827,779,751.96-20,741,701,512.78-7,970,619,687.48

Finding the Fourth Proportional to 13,827,779,751.96, 20,741,701,512.78 and 7,970,619,687.48

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Solution

The fourth proportional to 13,827,779,751.96, 20,741,701,512.78 and 7,970,619,687.48 is: 11,955,947,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827,779,751.96 : 20,741,701,512.78 = 7,970,619,687.48 : x
  2. Step 2: Convert to fraction form
    13,827,779,751.96/20,741,701,512.78 = 7,970,619,687.48/x
  3. Step 3: Cross multiply
    13,827,779,751.96x = 20,741,701,512.78 × 7,970,619,687.48
  4. Step 4: Simplify right side
    13,827,779,751.96x = 165,324,214,429,597,958,144
  5. Step 5: Solve for x
    x = 165,324,214,429,597,958,144/13,827,779,751.96
  6. Step 6: Final answer
    x = 11,955,947,910.30

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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.