Home / 13,704,599,141.79-18,918,543,723.44-8,631,418,847.67

Finding the Fourth Proportional to 13,704,599,141.79, 18,918,543,723.44 and 8,631,418,847.67

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Solution

The fourth proportional to 13,704,599,141.79, 18,918,543,723.44 and 8,631,418,847.67 is: 11,915,260,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704,599,141.79 : 18,918,543,723.44 = 8,631,418,847.67 : x
  2. Step 2: Convert to fraction form
    13,704,599,141.79/18,918,543,723.44 = 8,631,418,847.67/x
  3. Step 3: Cross multiply
    13,704,599,141.79x = 18,918,543,723.44 × 8,631,418,847.67
  4. Step 4: Simplify right side
    13,704,599,141.79x = 163,293,874,864,925,868,032
  5. Step 5: Solve for x
    x = 163,293,874,864,925,868,032/13,704,599,141.79
  6. Step 6: Final answer
    x = 11,915,260,940.90

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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.