Home / 263,269,296.60-394,903,944.90-127,220,400.60

Finding the Fourth Proportional to 263,269,296.60, 394,903,944.90 and 127,220,400.60

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Solution

The fourth proportional to 263,269,296.60, 394,903,944.90 and 127,220,400.60 is: 190,830,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,269,296.60 : 394,903,944.90 = 127,220,400.60 : x
  2. Step 2: Convert to fraction form
    263,269,296.60/394,903,944.90 = 127,220,400.60/x
  3. Step 3: Cross multiply
    263,269,296.60x = 394,903,944.90 × 127,220,400.60
  4. Step 4: Simplify right side
    263,269,296.60x = 50,239,838,068,698,320
  5. Step 5: Solve for x
    x = 50,239,838,068,698,320/263,269,296.60
  6. Step 6: Final answer
    x = 190,830,600.90

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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.