Home / 311,378,518.90-467,067,778.35-196,716,733.30

Finding the Fourth Proportional to 311,378,518.90, 467,067,778.35 and 196,716,733.30

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Solution

The fourth proportional to 311,378,518.90, 467,067,778.35 and 196,716,733.30 is: 295,075,099.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,378,518.90 : 467,067,778.35 = 196,716,733.30 : x
  2. Step 2: Convert to fraction form
    311,378,518.90/467,067,778.35 = 196,716,733.30/x
  3. Step 3: Cross multiply
    311,378,518.90x = 467,067,778.35 × 196,716,733.30
  4. Step 4: Simplify right side
    311,378,518.90x = 91,880,047,586,700,480
  5. Step 5: Solve for x
    x = 91,880,047,586,700,480/311,378,518.90
  6. Step 6: Final answer
    x = 295,075,099.95

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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.