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Finding the Fourth Proportional to 664,099,893.76, 996,754,334.70 and 353,468,299

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Solution

The fourth proportional to 664,099,893.76, 996,754,334.70 and 353,468,299 is: 530,524,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,099,893.76 : 996,754,334.70 = 353,468,299 : x
  2. Step 2: Convert to fraction form
    664,099,893.76/996,754,334.70 = 353,468,299/x
  3. Step 3: Cross multiply
    664,099,893.76x = 996,754,334.70 × 353,468,299
  4. Step 4: Simplify right side
    664,099,893.76x = 352,321,059,207,285,696
  5. Step 5: Solve for x
    x = 352,321,059,207,285,696/664,099,893.76
  6. Step 6: Final answer
    x = 530,524,191.49

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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.