Home / 263,269,322.85-394,903,984.28-127,220,426.85

Finding the Fourth Proportional to 263,269,322.85, 394,903,984.28 and 127,220,426.85

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Solution

The fourth proportional to 263,269,322.85, 394,903,984.28 and 127,220,426.85 is: 190,830,640.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,269,322.85 : 394,903,984.28 = 127,220,426.85 : x
  2. Step 2: Convert to fraction form
    263,269,322.85/394,903,984.28 = 127,220,426.85/x
  3. Step 3: Cross multiply
    263,269,322.85x = 394,903,984.28 × 127,220,426.85
  4. Step 4: Simplify right side
    263,269,322.85x = 50,239,853,444,231,184
  5. Step 5: Solve for x
    x = 50,239,853,444,231,184/263,269,322.85
  6. Step 6: Final answer
    x = 190,830,640.28

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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.