Home / 20,883,519,763.62-28,819,260,382.73-11,368,143,749.26

Finding the Fourth Proportional to 20,883,519,763.62, 28,819,260,382.73 and 11,368,143,749.26

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Solution

The fourth proportional to 20,883,519,763.62, 28,819,260,382.73 and 11,368,143,749.26 is: 15,688,040,066.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,519,763.62 : 28,819,260,382.73 = 11,368,143,749.26 : x
  2. Step 2: Convert to fraction form
    20,883,519,763.62/28,819,260,382.73 = 11,368,143,749.26/x
  3. Step 3: Cross multiply
    20,883,519,763.62x = 28,819,260,382.73 × 11,368,143,749.26
  4. Step 4: Simplify right side
    20,883,519,763.62x = 327,621,494,778,228,375,552
  5. Step 5: Solve for x
    x = 327,621,494,778,228,375,552/20,883,519,763.62
  6. Step 6: Final answer
    x = 15,688,040,066.36

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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.