Home / 295,245,500.40-442,868,250.60-198,499,618.80

Finding the Fourth Proportional to 295,245,500.40, 442,868,250.60 and 198,499,618.80

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Solution

The fourth proportional to 295,245,500.40, 442,868,250.60 and 198,499,618.80 is: 297,749,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,245,500.40 : 442,868,250.60 = 198,499,618.80 : x
  2. Step 2: Convert to fraction form
    295,245,500.40/442,868,250.60 = 198,499,618.80/x
  3. Step 3: Cross multiply
    295,245,500.40x = 442,868,250.60 × 198,499,618.80
  4. Step 4: Simplify right side
    295,245,500.40x = 87,909,178,922,722,880
  5. Step 5: Solve for x
    x = 87,909,178,922,722,880/295,245,500.40
  6. Step 6: Final answer
    x = 297,749,428.20

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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.