Home / 1,205,747,850.72-1,808,000,772.42-541,192,163.38

Finding the Fourth Proportional to 1,205,747,850.72, 1,808,000,772.42 and 541,192,163.38

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Solution

The fourth proportional to 1,205,747,850.72, 1,808,000,772.42 and 541,192,163.38 is: 811,509,511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,747,850.72 : 1,808,000,772.42 = 541,192,163.38 : x
  2. Step 2: Convert to fraction form
    1,205,747,850.72/1,808,000,772.42 = 541,192,163.38/x
  3. Step 3: Cross multiply
    1,205,747,850.72x = 1,808,000,772.42 × 541,192,163.38
  4. Step 4: Simplify right side
    1,205,747,850.72x = 978,475,849,418,690,816
  5. Step 5: Solve for x
    x = 978,475,849,418,690,816/1,205,747,850.72
  6. Step 6: Final answer
    x = 811,509,511.57

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1.5x scale

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.