Home / 371,682,908.80-557,524,363.20-311,216,732.80

Finding the Fourth Proportional to 371,682,908.80, 557,524,363.20 and 311,216,732.80

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Solution

The fourth proportional to 371,682,908.80, 557,524,363.20 and 311,216,732.80 is: 466,825,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,682,908.80 : 557,524,363.20 = 311,216,732.80 : x
  2. Step 2: Convert to fraction form
    371,682,908.80/557,524,363.20 = 311,216,732.80/x
  3. Step 3: Cross multiply
    371,682,908.80x = 557,524,363.20 × 311,216,732.80
  4. Step 4: Simplify right side
    371,682,908.80x = 173,510,910,771,504,576
  5. Step 5: Solve for x
    x = 173,510,910,771,504,576/371,682,908.80
  6. Step 6: Final answer
    x = 466,825,099.20

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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.