Home / 263,269,405.64-394,904,108.48-127,220,509.64

Finding the Fourth Proportional to 263,269,405.64, 394,904,108.48 and 127,220,509.64

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Solution

The fourth proportional to 263,269,405.64, 394,904,108.48 and 127,220,509.64 is: 190,830,764.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,269,405.64 : 394,904,108.48 = 127,220,509.64 : x
  2. Step 2: Convert to fraction form
    263,269,405.64/394,904,108.48 = 127,220,509.64/x
  3. Step 3: Cross multiply
    263,269,405.64x = 394,904,108.48 × 127,220,509.64
  4. Step 4: Simplify right side
    263,269,405.64x = 50,239,901,940,106,608
  5. Step 5: Solve for x
    x = 50,239,901,940,106,608/263,269,405.64
  6. Step 6: Final answer
    x = 190,830,764.47

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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.