Home / 492,940,900.92-739,549,585.74-198,043,101.96

Finding the Fourth Proportional to 492,940,900.92, 739,549,585.74 and 198,043,101.96

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Solution

The fourth proportional to 492,940,900.92, 739,549,585.74 and 198,043,101.96 is: 297,120,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,940,900.92 : 739,549,585.74 = 198,043,101.96 : x
  2. Step 2: Convert to fraction form
    492,940,900.92/739,549,585.74 = 198,043,101.96/x
  3. Step 3: Cross multiply
    492,940,900.92x = 739,549,585.74 × 198,043,101.96
  4. Step 4: Simplify right side
    492,940,900.92x = 146,462,694,013,182,592
  5. Step 5: Solve for x
    x = 146,462,694,013,182,592/492,940,900.92
  6. Step 6: Final answer
    x = 297,120,189.74

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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.