Home / 7,721,568,239.20-11,559,394,107.60-7,721,568,239.20

Finding the Fourth Proportional to 7,721,568,239.20, 11,559,394,107.60 and 7,721,568,239.20

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Solution

The fourth proportional to 7,721,568,239.20, 11,559,394,107.60 and 7,721,568,239.20 is: 11,559,394,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,568,239.20 : 11,559,394,107.60 = 7,721,568,239.20 : x
  2. Step 2: Convert to fraction form
    7,721,568,239.20/11,559,394,107.60 = 7,721,568,239.20/x
  3. Step 3: Cross multiply
    7,721,568,239.20x = 11,559,394,107.60 × 7,721,568,239.20
  4. Step 4: Simplify right side
    7,721,568,239.20x = 89,256,650,405,639,782,400
  5. Step 5: Solve for x
    x = 89,256,650,405,639,782,400/7,721,568,239.20
  6. Step 6: Final answer
    x = 11,559,394,107.60

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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.