Home / 800,294,111.08-1,200,418,771.74-255,068,362.60

Finding the Fourth Proportional to 800,294,111.08, 1,200,418,771.74 and 255,068,362.60

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Solution

The fourth proportional to 800,294,111.08, 1,200,418,771.74 and 255,068,362.60 is: 382,595,406.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,294,111.08 : 1,200,418,771.74 = 255,068,362.60 : x
  2. Step 2: Convert to fraction form
    800,294,111.08/1,200,418,771.74 = 255,068,362.60/x
  3. Step 3: Cross multiply
    800,294,111.08x = 1,200,418,771.74 × 255,068,362.60
  4. Step 4: Simplify right side
    800,294,111.08x = 306,188,850,542,024,960
  5. Step 5: Solve for x
    x = 306,188,850,542,024,960/800,294,111.08
  6. Step 6: Final answer
    x = 382,595,406.24

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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.