Home / 342,198,003.40-513,297,005.10-330,104,768.20

Finding the Fourth Proportional to 342,198,003.40, 513,297,005.10 and 330,104,768.20

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Solution

The fourth proportional to 342,198,003.40, 513,297,005.10 and 330,104,768.20 is: 495,157,152.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,198,003.40 : 513,297,005.10 = 330,104,768.20 : x
  2. Step 2: Convert to fraction form
    342,198,003.40/513,297,005.10 = 330,104,768.20/x
  3. Step 3: Cross multiply
    342,198,003.40x = 513,297,005.10 × 330,104,768.20
  4. Step 4: Simplify right side
    342,198,003.40x = 169,441,788,886,289,728
  5. Step 5: Solve for x
    x = 169,441,788,886,289,728/342,198,003.40
  6. Step 6: Final answer
    x = 495,157,152.30

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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.