Home / 392,256,342.30-588,384,513.45-256,207,446.30

Finding the Fourth Proportional to 392,256,342.30, 588,384,513.45 and 256,207,446.30

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Solution

The fourth proportional to 392,256,342.30, 588,384,513.45 and 256,207,446.30 is: 384,311,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,256,342.30 : 588,384,513.45 = 256,207,446.30 : x
  2. Step 2: Convert to fraction form
    392,256,342.30/588,384,513.45 = 256,207,446.30/x
  3. Step 3: Cross multiply
    392,256,342.30x = 588,384,513.45 × 256,207,446.30
  4. Step 4: Simplify right side
    392,256,342.30x = 150,748,493,633,492,512
  5. Step 5: Solve for x
    x = 150,748,493,633,492,512/392,256,342.30
  6. Step 6: Final answer
    x = 384,311,169.45

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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.