Home / 20,715,717,903.10-28,587,636,936.03-11,560,150,745.26

Finding the Fourth Proportional to 20,715,717,903.10, 28,587,636,936.03 and 11,560,150,745.26

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Solution

The fourth proportional to 20,715,717,903.10, 28,587,636,936.03 and 11,560,150,745.26 is: 15,952,978,022.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,715,717,903.10 : 28,587,636,936.03 = 11,560,150,745.26 : x
  2. Step 2: Convert to fraction form
    20,715,717,903.10/28,587,636,936.03 = 11,560,150,745.26/x
  3. Step 3: Cross multiply
    20,715,717,903.10x = 28,587,636,936.03 × 11,560,150,745.26
  4. Step 4: Simplify right side
    20,715,717,903.10x = 330,477,392,431,269,478,400
  5. Step 5: Solve for x
    x = 330,477,392,431,269,478,400/20,715,717,903.10
  6. Step 6: Final answer
    x = 15,952,978,022.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.