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Finding the Fourth Proportional to 199,336,099.86, 299,004,149.78 and 199,336,099.86

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Solution

The fourth proportional to 199,336,099.86, 299,004,149.78 and 199,336,099.86 is: 299,004,149.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,336,099.86 : 299,004,149.78 = 199,336,099.86 : x
  2. Step 2: Convert to fraction form
    199,336,099.86/299,004,149.78 = 199,336,099.86/x
  3. Step 3: Cross multiply
    199,336,099.86x = 299,004,149.78 × 199,336,099.86
  4. Step 4: Simplify right side
    199,336,099.86x = 59,602,321,059,100,472
  5. Step 5: Solve for x
    x = 59,602,321,059,100,472/199,336,099.86
  6. Step 6: Final answer
    x = 299,004,149.78

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1.5x scale

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.