Home / 823,071,174.38-1,234,346,574.18-270,282,473.72

Finding the Fourth Proportional to 823,071,174.38, 1,234,346,574.18 and 270,282,473.72

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Solution

The fourth proportional to 823,071,174.38, 1,234,346,574.18 and 270,282,473.72 is: 405,338,269.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,071,174.38 : 1,234,346,574.18 = 270,282,473.72 : x
  2. Step 2: Convert to fraction form
    823,071,174.38/1,234,346,574.18 = 270,282,473.72/x
  3. Step 3: Cross multiply
    823,071,174.38x = 1,234,346,574.18 × 270,282,473.72
  4. Step 4: Simplify right side
    823,071,174.38x = 333,622,245,497,177,920
  5. Step 5: Solve for x
    x = 333,622,245,497,177,920/823,071,174.38
  6. Step 6: Final answer
    x = 405,338,269.50

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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.