Home / 199,322,794.20-298,984,191.30-197,979,101.40

Finding the Fourth Proportional to 199,322,794.20, 298,984,191.30 and 197,979,101.40

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Solution

The fourth proportional to 199,322,794.20, 298,984,191.30 and 197,979,101.40 is: 296,968,652.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,322,794.20 : 298,984,191.30 = 197,979,101.40 : x
  2. Step 2: Convert to fraction form
    199,322,794.20/298,984,191.30 = 197,979,101.40/x
  3. Step 3: Cross multiply
    199,322,794.20x = 298,984,191.30 × 197,979,101.40
  4. Step 4: Simplify right side
    199,322,794.20x = 59,192,621,526,379,704
  5. Step 5: Solve for x
    x = 59,192,621,526,379,704/199,322,794.20
  6. Step 6: Final answer
    x = 296,968,652.10

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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.