Home / 263,916,311.20-395,973,999.60-127,722,263.20

Finding the Fourth Proportional to 263,916,311.20, 395,973,999.60 and 127,722,263.20

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Solution

The fourth proportional to 263,916,311.20, 395,973,999.60 and 127,722,263.20 is: 191,631,563.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,916,311.20 : 395,973,999.60 = 127,722,263.20 : x
  2. Step 2: Convert to fraction form
    263,916,311.20/395,973,999.60 = 127,722,263.20/x
  3. Step 3: Cross multiply
    263,916,311.20x = 395,973,999.60 × 127,722,263.20
  4. Step 4: Simplify right side
    263,916,311.20x = 50,574,695,397,267,896
  5. Step 5: Solve for x
    x = 50,574,695,397,267,896/263,916,311.20
  6. Step 6: Final answer
    x = 191,631,563.69

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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.