Home / 20,883,519,910.89-28,819,260,586.04-11,368,143,896.94

Finding the Fourth Proportional to 20,883,519,910.89, 28,819,260,586.04 and 11,368,143,896.94

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Solution

The fourth proportional to 20,883,519,910.89, 28,819,260,586.04 and 11,368,143,896.94 is: 15,688,040,270.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,519,910.89 : 28,819,260,586.04 = 11,368,143,896.94 : x
  2. Step 2: Convert to fraction form
    20,883,519,910.89/28,819,260,586.04 = 11,368,143,896.94/x
  3. Step 3: Cross multiply
    20,883,519,910.89x = 28,819,260,586.04 × 11,368,143,896.94
  4. Step 4: Simplify right side
    20,883,519,910.89x = 327,621,501,345,457,307,648
  5. Step 5: Solve for x
    x = 327,621,501,345,457,307,648/20,883,519,910.89
  6. Step 6: Final answer
    x = 15,688,040,270.19

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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.