Home / 263,269,119.60-394,903,679.40-127,220,223.60

Finding the Fourth Proportional to 263,269,119.60, 394,903,679.40 and 127,220,223.60

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Solution

The fourth proportional to 263,269,119.60, 394,903,679.40 and 127,220,223.60 is: 190,830,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,269,119.60 : 394,903,679.40 = 127,220,223.60 : x
  2. Step 2: Convert to fraction form
    263,269,119.60/394,903,679.40 = 127,220,223.60/x
  3. Step 3: Cross multiply
    263,269,119.60x = 394,903,679.40 × 127,220,223.60
  4. Step 4: Simplify right side
    263,269,119.60x = 50,239,734,393,730,712
  5. Step 5: Solve for x
    x = 50,239,734,393,730,712/263,269,119.60
  6. Step 6: Final answer
    x = 190,830,335.40

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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.