Home / 31,215,982,093.37-43,078,087,170.45-16,942,812,660.11

Finding the Fourth Proportional to 31,215,982,093.37, 43,078,087,170.45 and 16,942,812,660.11

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Solution

The fourth proportional to 31,215,982,093.37, 43,078,087,170.45 and 16,942,812,660.11 is: 23,381,098,775.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,215,982,093.37 : 43,078,087,170.45 = 16,942,812,660.11 : x
  2. Step 2: Convert to fraction form
    31,215,982,093.37/43,078,087,170.45 = 16,942,812,660.11/x
  3. Step 3: Cross multiply
    31,215,982,093.37x = 43,078,087,170.45 × 16,942,812,660.11
  4. Step 4: Simplify right side
    31,215,982,093.37x = 729,863,960,684,606,914,560
  5. Step 5: Solve for x
    x = 729,863,960,684,606,914,560/31,215,982,093.37
  6. Step 6: Final answer
    x = 23,381,098,775.03

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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.