Home / 665,396,660.20-998,000,511.90-228,717,495.40

Finding the Fourth Proportional to 665,396,660.20, 998,000,511.90 and 228,717,495.40

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Solution

The fourth proportional to 665,396,660.20, 998,000,511.90 and 228,717,495.40 is: 343,043,767.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,396,660.20 : 998,000,511.90 = 228,717,495.40 : x
  2. Step 2: Convert to fraction form
    665,396,660.20/998,000,511.90 = 228,717,495.40/x
  3. Step 3: Cross multiply
    665,396,660.20x = 998,000,511.90 × 228,717,495.40
  4. Step 4: Simplify right side
    665,396,660.20x = 228,260,177,489,685,888
  5. Step 5: Solve for x
    x = 228,260,177,489,685,888/665,396,660.20
  6. Step 6: Final answer
    x = 343,043,767.94

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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.