Home / 20,883,519,771.57-28,819,260,393.75-11,368,143,757.26

Finding the Fourth Proportional to 20,883,519,771.57, 28,819,260,393.75 and 11,368,143,757.26

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Solution

The fourth proportional to 20,883,519,771.57, 28,819,260,393.75 and 11,368,143,757.26 is: 15,688,040,077.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,519,771.57 : 28,819,260,393.75 = 11,368,143,757.26 : x
  2. Step 2: Convert to fraction form
    20,883,519,771.57/28,819,260,393.75 = 11,368,143,757.26/x
  3. Step 3: Cross multiply
    20,883,519,771.57x = 28,819,260,393.75 × 11,368,143,757.26
  4. Step 4: Simplify right side
    20,883,519,771.57x = 327,621,495,134,059,429,888
  5. Step 5: Solve for x
    x = 327,621,495,134,059,429,888/20,883,519,771.57
  6. Step 6: Final answer
    x = 15,688,040,077.42

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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.