Home / 492,940,899.92-739,549,584.24-198,043,100.96

Finding the Fourth Proportional to 492,940,899.92, 739,549,584.24 and 198,043,100.96

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Solution

The fourth proportional to 492,940,899.92, 739,549,584.24 and 198,043,100.96 is: 297,120,188.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,940,899.92 : 739,549,584.24 = 198,043,100.96 : x
  2. Step 2: Convert to fraction form
    492,940,899.92/739,549,584.24 = 198,043,100.96/x
  3. Step 3: Cross multiply
    492,940,899.92x = 739,549,584.24 × 198,043,100.96
  4. Step 4: Simplify right side
    492,940,899.92x = 146,462,692,976,568,352
  5. Step 5: Solve for x
    x = 146,462,692,976,568,352/492,940,899.92
  6. Step 6: Final answer
    x = 297,120,188.24

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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.