Home / 263,278,323.60-394,917,485.40-127,229,427.60

Finding the Fourth Proportional to 263,278,323.60, 394,917,485.40 and 127,229,427.60

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Solution

The fourth proportional to 263,278,323.60, 394,917,485.40 and 127,229,427.60 is: 190,844,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,278,323.60 : 394,917,485.40 = 127,229,427.60 : x
  2. Step 2: Convert to fraction form
    263,278,323.60/394,917,485.40 = 127,229,427.60/x
  3. Step 3: Cross multiply
    263,278,323.60x = 394,917,485.40 × 127,229,427.60
  4. Step 4: Simplify right side
    263,278,323.60x = 50,245,125,616,673,352
  5. Step 5: Solve for x
    x = 50,245,125,616,673,352/263,278,323.60
  6. Step 6: Final answer
    x = 190,844,141.40

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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.