Home / 5,105,979,846.84-7,661,296,910.06-2,620,586,123.84

Finding the Fourth Proportional to 5,105,979,846.84, 7,661,296,910.06 and 2,620,586,123.84

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Solution

The fourth proportional to 5,105,979,846.84, 7,661,296,910.06 and 2,620,586,123.84 is: 3,932,073,563.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,979,846.84 : 7,661,296,910.06 = 2,620,586,123.84 : x
  2. Step 2: Convert to fraction form
    5,105,979,846.84/7,661,296,910.06 = 2,620,586,123.84/x
  3. Step 3: Cross multiply
    5,105,979,846.84x = 7,661,296,910.06 × 2,620,586,123.84
  4. Step 4: Simplify right side
    5,105,979,846.84x = 20,077,088,373,121,507,328
  5. Step 5: Solve for x
    x = 20,077,088,373,121,507,328/5,105,979,846.84
  6. Step 6: Final answer
    x = 3,932,073,563.81

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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.