Home / 800,294,112.08-1,200,418,773.24-255,068,363.60

Finding the Fourth Proportional to 800,294,112.08, 1,200,418,773.24 and 255,068,363.60

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Solution

The fourth proportional to 800,294,112.08, 1,200,418,773.24 and 255,068,363.60 is: 382,595,407.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,294,112.08 : 1,200,418,773.24 = 255,068,363.60 : x
  2. Step 2: Convert to fraction form
    800,294,112.08/1,200,418,773.24 = 255,068,363.60/x
  3. Step 3: Cross multiply
    800,294,112.08x = 1,200,418,773.24 × 255,068,363.60
  4. Step 4: Simplify right side
    800,294,112.08x = 306,188,852,125,046,272
  5. Step 5: Solve for x
    x = 306,188,852,125,046,272/800,294,112.08
  6. Step 6: Final answer
    x = 382,595,407.74

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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.