Home / 378,719,937.60-568,079,906.40-302,192,433.60

Finding the Fourth Proportional to 378,719,937.60, 568,079,906.40 and 302,192,433.60

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Solution

The fourth proportional to 378,719,937.60, 568,079,906.40 and 302,192,433.60 is: 453,288,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,719,937.60 : 568,079,906.40 = 302,192,433.60 : x
  2. Step 2: Convert to fraction form
    378,719,937.60/568,079,906.40 = 302,192,433.60/x
  3. Step 3: Cross multiply
    378,719,937.60x = 568,079,906.40 × 302,192,433.60
  4. Step 4: Simplify right side
    378,719,937.60x = 171,669,449,394,276,224
  5. Step 5: Solve for x
    x = 171,669,449,394,276,224/378,719,937.60
  6. Step 6: Final answer
    x = 453,288,650.40

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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.