Home / 279,938,453.60-419,907,680.40-269,734,786.40

Finding the Fourth Proportional to 279,938,453.60, 419,907,680.40 and 269,734,786.40

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Solution

The fourth proportional to 279,938,453.60, 419,907,680.40 and 269,734,786.40 is: 404,602,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,938,453.60 : 419,907,680.40 = 269,734,786.40 : x
  2. Step 2: Convert to fraction form
    279,938,453.60/419,907,680.40 = 269,734,786.40/x
  3. Step 3: Cross multiply
    279,938,453.60x = 419,907,680.40 × 269,734,786.40
  4. Step 4: Simplify right side
    279,938,453.60x = 113,263,708,480,413,456
  5. Step 5: Solve for x
    x = 113,263,708,480,413,456/279,938,453.60
  6. Step 6: Final answer
    x = 404,602,179.60

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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.