Home / 20,883,519,912.89-28,819,260,588.80-11,368,143,898.94

Finding the Fourth Proportional to 20,883,519,912.89, 28,819,260,588.80 and 11,368,143,898.94

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Solution

The fourth proportional to 20,883,519,912.89, 28,819,260,588.80 and 11,368,143,898.94 is: 15,688,040,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,519,912.89 : 28,819,260,588.80 = 11,368,143,898.94 : x
  2. Step 2: Convert to fraction form
    20,883,519,912.89/28,819,260,588.80 = 11,368,143,898.94/x
  3. Step 3: Cross multiply
    20,883,519,912.89x = 28,819,260,588.80 × 11,368,143,898.94
  4. Step 4: Simplify right side
    20,883,519,912.89x = 327,621,501,434,471,841,792
  5. Step 5: Solve for x
    x = 327,621,501,434,471,841,792/20,883,519,912.89
  6. Step 6: Final answer
    x = 15,688,040,272.95

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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.