Home / 342,198,054.40-513,297,081.60-330,104,819.20

Finding the Fourth Proportional to 342,198,054.40, 513,297,081.60 and 330,104,819.20

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Solution

The fourth proportional to 342,198,054.40, 513,297,081.60 and 330,104,819.20 is: 495,157,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,198,054.40 : 513,297,081.60 = 330,104,819.20 : x
  2. Step 2: Convert to fraction form
    342,198,054.40/513,297,081.60 = 330,104,819.20/x
  3. Step 3: Cross multiply
    342,198,054.40x = 513,297,081.60 × 330,104,819.20
  4. Step 4: Simplify right side
    342,198,054.40x = 169,441,840,317,455,648
  5. Step 5: Solve for x
    x = 169,441,840,317,455,648/342,198,054.40
  6. Step 6: Final answer
    x = 495,157,228.80

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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.