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Finding the Fourth Proportional to 664,273,368.40, 996,410,052.60 and 295,807,608.40

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Solution

The fourth proportional to 664,273,368.40, 996,410,052.60 and 295,807,608.40 is: 443,711,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,273,368.40 : 996,410,052.60 = 295,807,608.40 : x
  2. Step 2: Convert to fraction form
    664,273,368.40/996,410,052.60 = 295,807,608.40/x
  3. Step 3: Cross multiply
    664,273,368.40x = 996,410,052.60 × 295,807,608.40
  4. Step 4: Simplify right side
    664,273,368.40x = 294,745,674,645,324,160
  5. Step 5: Solve for x
    x = 294,745,674,645,324,160/664,273,368.40
  6. Step 6: Final answer
    x = 443,711,412.60

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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.