Home / 400,858,661.70-601,287,992.55-336,288,580.20

Finding the Fourth Proportional to 400,858,661.70, 601,287,992.55 and 336,288,580.20

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Solution

The fourth proportional to 400,858,661.70, 601,287,992.55 and 336,288,580.20 is: 504,432,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,858,661.70 : 601,287,992.55 = 336,288,580.20 : x
  2. Step 2: Convert to fraction form
    400,858,661.70/601,287,992.55 = 336,288,580.20/x
  3. Step 3: Cross multiply
    400,858,661.70x = 601,287,992.55 × 336,288,580.20
  4. Step 4: Simplify right side
    400,858,661.70x = 202,206,285,305,947,648
  5. Step 5: Solve for x
    x = 202,206,285,305,947,648/400,858,661.70
  6. Step 6: Final answer
    x = 504,432,870.30

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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.