Home / 685,770,295.70-946,362,288.08-372,504,755.09

Finding the Fourth Proportional to 685,770,295.70, 946,362,288.08 and 372,504,755.09

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Solution

The fourth proportional to 685,770,295.70, 946,362,288.08 and 372,504,755.09 is: 514,056,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,770,295.70 : 946,362,288.08 = 372,504,755.09 : x
  2. Step 2: Convert to fraction form
    685,770,295.70/946,362,288.08 = 372,504,755.09/x
  3. Step 3: Cross multiply
    685,770,295.70x = 946,362,288.08 × 372,504,755.09
  4. Step 4: Simplify right side
    685,770,295.70x = 352,524,452,341,058,112
  5. Step 5: Solve for x
    x = 352,524,452,341,058,112/685,770,295.70
  6. Step 6: Final answer
    x = 514,056,170.93

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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.