Home / 685,770,319.05-946,362,320.10-372,504,778.04

Finding the Fourth Proportional to 685,770,319.05, 946,362,320.10 and 372,504,778.04

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Solution

The fourth proportional to 685,770,319.05, 946,362,320.10 and 372,504,778.04 is: 514,056,202.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,770,319.05 : 946,362,320.10 = 372,504,778.04 : x
  2. Step 2: Convert to fraction form
    685,770,319.05/946,362,320.10 = 372,504,778.04/x
  3. Step 3: Cross multiply
    685,770,319.05x = 946,362,320.10 × 372,504,778.04
  4. Step 4: Simplify right side
    685,770,319.05x = 352,524,485,989,538,176
  5. Step 5: Solve for x
    x = 352,524,485,989,538,176/685,770,319.05
  6. Step 6: Final answer
    x = 514,056,202.49

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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.