Home / 263,269,076.10-394,903,614.15-127,220,180.10

Finding the Fourth Proportional to 263,269,076.10, 394,903,614.15 and 127,220,180.10

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Solution

The fourth proportional to 263,269,076.10, 394,903,614.15 and 127,220,180.10 is: 190,830,270.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,269,076.10 : 394,903,614.15 = 127,220,180.10 : x
  2. Step 2: Convert to fraction form
    263,269,076.10/394,903,614.15 = 127,220,180.10/x
  3. Step 3: Cross multiply
    263,269,076.10x = 394,903,614.15 × 127,220,180.10
  4. Step 4: Simplify right side
    263,269,076.10x = 50,239,708,914,303,904
  5. Step 5: Solve for x
    x = 50,239,708,914,303,904/263,269,076.10
  6. Step 6: Final answer
    x = 190,830,270.15

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Double scale
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Similar ratio
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1.5x scale

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.