Home / 479,285,480.34-718,948,734.60-188,215,583.64

Finding the Fourth Proportional to 479,285,480.34, 718,948,734.60 and 188,215,583.64

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Solution

The fourth proportional to 479,285,480.34, 718,948,734.60 and 188,215,583.64 is: 282,331,431.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,285,480.34 : 718,948,734.60 = 188,215,583.64 : x
  2. Step 2: Convert to fraction form
    479,285,480.34/718,948,734.60 = 188,215,583.64/x
  3. Step 3: Cross multiply
    479,285,480.34x = 718,948,734.60 × 188,215,583.64
  4. Step 4: Simplify right side
    479,285,480.34x = 135,317,355,689,978,464
  5. Step 5: Solve for x
    x = 135,317,355,689,978,464/479,285,480.34
  6. Step 6: Final answer
    x = 282,331,431.35

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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.