Home / 685,914,040.08-946,542,947.43-403,673,086.80

Finding the Fourth Proportional to 685,914,040.08, 946,542,947.43 and 403,673,086.80

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Solution

The fourth proportional to 685,914,040.08, 946,542,947.43 and 403,673,086.80 is: 557,058,014.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,914,040.08 : 946,542,947.43 = 403,673,086.80 : x
  2. Step 2: Convert to fraction form
    685,914,040.08/946,542,947.43 = 403,673,086.80/x
  3. Step 3: Cross multiply
    685,914,040.08x = 946,542,947.43 × 403,673,086.80
  4. Step 4: Simplify right side
    685,914,040.08x = 382,093,913,377,838,208
  5. Step 5: Solve for x
    x = 382,093,913,377,838,208/685,914,040.08
  6. Step 6: Final answer
    x = 557,058,014.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.