Home / 1,197,945,591.25-1,796,954,993.79-410,988,205.12

Finding the Fourth Proportional to 1,197,945,591.25, 1,796,954,993.79 and 410,988,205.12

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Solution

The fourth proportional to 1,197,945,591.25, 1,796,954,993.79 and 410,988,205.12 is: 616,494,866.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,945,591.25 : 1,796,954,993.79 = 410,988,205.12 : x
  2. Step 2: Convert to fraction form
    1,197,945,591.25/1,796,954,993.79 = 410,988,205.12/x
  3. Step 3: Cross multiply
    1,197,945,591.25x = 1,796,954,993.79 × 410,988,205.12
  4. Step 4: Simplify right side
    1,197,945,591.25x = 738,527,307,579,172,864
  5. Step 5: Solve for x
    x = 738,527,307,579,172,864/1,197,945,591.25
  6. Step 6: Final answer
    x = 616,494,866.69

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Double scale
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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.