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Finding the Fourth Proportional to 445,188,312,000.45, 667,782,468,000.70 and 445,188,312,000.45

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Solution

The fourth proportional to 445,188,312,000.45, 667,782,468,000.70 and 445,188,312,000.45 is: 667,782,468,000.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,188,312,000.45 : 667,782,468,000.70 = 445,188,312,000.45 : x
  2. Step 2: Convert to fraction form
    445,188,312,000.45/667,782,468,000.70 = 445,188,312,000.45/x
  3. Step 3: Cross multiply
    445,188,312,000.45x = 667,782,468,000.70 × 445,188,312,000.45
  4. Step 4: Simplify right side
    445,188,312,000.45x = 297,288,949,712,726,133,833,728
  5. Step 5: Solve for x
    x = 297,288,949,712,726,133,833,728/445,188,312,000.45
  6. Step 6: Final answer
    x = 667,782,468,000.70

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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.