Home / 664,353,816.40-996,527,099.64-270,879,099.04

Finding the Fourth Proportional to 664,353,816.40, 996,527,099.64 and 270,879,099.04

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Solution

The fourth proportional to 664,353,816.40, 996,527,099.64 and 270,879,099.04 is: 406,317,170.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,353,816.40 : 996,527,099.64 = 270,879,099.04 : x
  2. Step 2: Convert to fraction form
    664,353,816.40/996,527,099.64 = 270,879,099.04/x
  3. Step 3: Cross multiply
    664,353,816.40x = 996,527,099.64 × 270,879,099.04
  4. Step 4: Simplify right side
    664,353,816.40x = 269,938,362,919,427,520
  5. Step 5: Solve for x
    x = 269,938,362,919,427,520/664,353,816.40
  6. Step 6: Final answer
    x = 406,317,170.54

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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.