Home / 322,631,436.05-483,945,557.33-278,778,750.40

Finding the Fourth Proportional to 322,631,436.05, 483,945,557.33 and 278,778,750.40

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Solution

The fourth proportional to 322,631,436.05, 483,945,557.33 and 278,778,750.40 is: 418,166,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,631,436.05 : 483,945,557.33 = 278,778,750.40 : x
  2. Step 2: Convert to fraction form
    322,631,436.05/483,945,557.33 = 278,778,750.40/x
  3. Step 3: Cross multiply
    322,631,436.05x = 483,945,557.33 × 278,778,750.40
  4. Step 4: Simplify right side
    322,631,436.05x = 134,913,737,734,042,320
  5. Step 5: Solve for x
    x = 134,913,737,734,042,320/322,631,436.05
  6. Step 6: Final answer
    x = 418,166,745.89

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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.