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Finding the Fourth Proportional to 413,753,408,906.40, 620,630,113,359.55 and 413,753,408,906.40

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Solution

The fourth proportional to 413,753,408,906.40, 620,630,113,359.55 and 413,753,408,906.40 is: 620,630,113,359.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,753,408,906.40 : 620,630,113,359.55 = 413,753,408,906.40 : x
  2. Step 2: Convert to fraction form
    413,753,408,906.40/620,630,113,359.55 = 413,753,408,906.40/x
  3. Step 3: Cross multiply
    413,753,408,906.40x = 620,630,113,359.55 × 413,753,408,906.40
  4. Step 4: Simplify right side
    413,753,408,906.40x = 256,787,825,072,479,315,951,616
  5. Step 5: Solve for x
    x = 256,787,825,072,479,315,951,616/413,753,408,906.40
  6. Step 6: Final answer
    x = 620,630,113,359.55

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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.