Home / 20,883,519,762.22-28,819,260,380.79-11,368,143,747.86

Finding the Fourth Proportional to 20,883,519,762.22, 28,819,260,380.79 and 11,368,143,747.86

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Solution

The fourth proportional to 20,883,519,762.22, 28,819,260,380.79 and 11,368,143,747.86 is: 15,688,040,064.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,519,762.22 : 28,819,260,380.79 = 11,368,143,747.86 : x
  2. Step 2: Convert to fraction form
    20,883,519,762.22/28,819,260,380.79 = 11,368,143,747.86/x
  3. Step 3: Cross multiply
    20,883,519,762.22x = 28,819,260,380.79 × 11,368,143,747.86
  4. Step 4: Simplify right side
    20,883,519,762.22x = 327,621,494,715,884,896,256
  5. Step 5: Solve for x
    x = 327,621,494,715,884,896,256/20,883,519,762.22
  6. Step 6: Final answer
    x = 15,688,040,064.43

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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.