Home / 20,955,269,806.67-31,431,134,005.44-6,789,935,737.55

Finding the Fourth Proportional to 20,955,269,806.67, 31,431,134,005.44 and 6,789,935,737.55

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Solution

The fourth proportional to 20,955,269,806.67, 31,431,134,005.44 and 6,789,935,737.55 is: 10,184,329,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,955,269,806.67 : 31,431,134,005.44 = 6,789,935,737.55 : x
  2. Step 2: Convert to fraction form
    20,955,269,806.67/31,431,134,005.44 = 6,789,935,737.55/x
  3. Step 3: Cross multiply
    20,955,269,806.67x = 31,431,134,005.44 × 6,789,935,737.55
  4. Step 4: Simplify right side
    20,955,269,806.67x = 213,415,380,055,102,980,096
  5. Step 5: Solve for x
    x = 213,415,380,055,102,980,096/20,955,269,806.67
  6. Step 6: Final answer
    x = 10,184,329,861.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.