Home / 265,734,640.80-398,601,961.20-196,859,887.20

Finding the Fourth Proportional to 265,734,640.80, 398,601,961.20 and 196,859,887.20

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Solution

The fourth proportional to 265,734,640.80, 398,601,961.20 and 196,859,887.20 is: 295,289,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,734,640.80 : 398,601,961.20 = 196,859,887.20 : x
  2. Step 2: Convert to fraction form
    265,734,640.80/398,601,961.20 = 196,859,887.20/x
  3. Step 3: Cross multiply
    265,734,640.80x = 398,601,961.20 × 196,859,887.20
  4. Step 4: Simplify right side
    265,734,640.80x = 78,468,737,119,530,768
  5. Step 5: Solve for x
    x = 78,468,737,119,530,768/265,734,640.80
  6. Step 6: Final answer
    x = 295,289,830.80

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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.