Home / 263,272,912.60-394,909,368.90-127,224,016.60

Finding the Fourth Proportional to 263,272,912.60, 394,909,368.90 and 127,224,016.60

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Solution

The fourth proportional to 263,272,912.60, 394,909,368.90 and 127,224,016.60 is: 190,836,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,272,912.60 : 394,909,368.90 = 127,224,016.60 : x
  2. Step 2: Convert to fraction form
    263,272,912.60/394,909,368.90 = 127,224,016.60/x
  3. Step 3: Cross multiply
    263,272,912.60x = 394,909,368.90 × 127,224,016.60
  4. Step 4: Simplify right side
    263,272,912.60x = 50,241,956,104,429,120
  5. Step 5: Solve for x
    x = 50,241,956,104,429,120/263,272,912.60
  6. Step 6: Final answer
    x = 190,836,024.90

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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.