Home / 457,120,993.54-685,863,183.63-146,276,503.54

Finding the Fourth Proportional to 457,120,993.54, 685,863,183.63 and 146,276,503.54

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Solution

The fourth proportional to 457,120,993.54, 685,863,183.63 and 146,276,503.54 is: 219,472,896.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,120,993.54 : 685,863,183.63 = 146,276,503.54 : x
  2. Step 2: Convert to fraction form
    457,120,993.54/685,863,183.63 = 146,276,503.54/x
  3. Step 3: Cross multiply
    457,120,993.54x = 685,863,183.63 × 146,276,503.54
  4. Step 4: Simplify right side
    457,120,993.54x = 100,325,668,408,209,360
  5. Step 5: Solve for x
    x = 100,325,668,408,209,360/457,120,993.54
  6. Step 6: Final answer
    x = 219,472,896.29

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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.