Home / 20,883,519,764.09-28,819,260,383.38-11,368,143,749.74

Finding the Fourth Proportional to 20,883,519,764.09, 28,819,260,383.38 and 11,368,143,749.74

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Solution

The fourth proportional to 20,883,519,764.09, 28,819,260,383.38 and 11,368,143,749.74 is: 15,688,040,067.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,519,764.09 : 28,819,260,383.38 = 11,368,143,749.74 : x
  2. Step 2: Convert to fraction form
    20,883,519,764.09/28,819,260,383.38 = 11,368,143,749.74/x
  3. Step 3: Cross multiply
    20,883,519,764.09x = 28,819,260,383.38 × 11,368,143,749.74
  4. Step 4: Simplify right side
    20,883,519,764.09x = 327,621,494,799,330,377,728
  5. Step 5: Solve for x
    x = 327,621,494,799,330,377,728/20,883,519,764.09
  6. Step 6: Final answer
    x = 15,688,040,067.01

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1.5x scale

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.