Home / 279,938,382.40-419,907,573.60-262,918,273.60

Finding the Fourth Proportional to 279,938,382.40, 419,907,573.60 and 262,918,273.60

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Solution

The fourth proportional to 279,938,382.40, 419,907,573.60 and 262,918,273.60 is: 394,377,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,938,382.40 : 419,907,573.60 = 262,918,273.60 : x
  2. Step 2: Convert to fraction form
    279,938,382.40/419,907,573.60 = 262,918,273.60/x
  3. Step 3: Cross multiply
    279,938,382.40x = 419,907,573.60 × 262,918,273.60
  4. Step 4: Simplify right side
    279,938,382.40x = 110,401,374,322,476,944
  5. Step 5: Solve for x
    x = 110,401,374,322,476,944/279,938,382.40
  6. Step 6: Final answer
    x = 394,377,410.40

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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.