Home / 28,189,622,600.22-38,902,702,015.14-16,148,960,496.38

Finding the Fourth Proportional to 28,189,622,600.22, 38,902,702,015.14 and 16,148,960,496.38

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Solution

The fourth proportional to 28,189,622,600.22, 38,902,702,015.14 and 16,148,960,496.38 is: 22,286,151,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,189,622,600.22 : 38,902,702,015.14 = 16,148,960,496.38 : x
  2. Step 2: Convert to fraction form
    28,189,622,600.22/38,902,702,015.14 = 16,148,960,496.38/x
  3. Step 3: Cross multiply
    28,189,622,600.22x = 38,902,702,015.14 × 16,148,960,496.38
  4. Step 4: Simplify right side
    28,189,622,600.22x = 628,238,198,044,938,469,376
  5. Step 5: Solve for x
    x = 628,238,198,044,938,469,376/28,189,622,600.22
  6. Step 6: Final answer
    x = 22,286,151,430.78

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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.