Home / 330,520,512.15-495,780,768.23-115,109,760.15

Finding the Fourth Proportional to 330,520,512.15, 495,780,768.23 and 115,109,760.15

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Solution

The fourth proportional to 330,520,512.15, 495,780,768.23 and 115,109,760.15 is: 172,664,640.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,520,512.15 : 495,780,768.23 = 115,109,760.15 : x
  2. Step 2: Convert to fraction form
    330,520,512.15/495,780,768.23 = 115,109,760.15/x
  3. Step 3: Cross multiply
    330,520,512.15x = 495,780,768.23 × 115,109,760.15
  4. Step 4: Simplify right side
    330,520,512.15x = 57,069,205,317,362,496
  5. Step 5: Solve for x
    x = 57,069,205,317,362,496/330,520,512.15
  6. Step 6: Final answer
    x = 172,664,640.23

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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.