Home / 664,019,219.66-996,244,332.37-197,684,677.26

Finding the Fourth Proportional to 664,019,219.66, 996,244,332.37 and 197,684,677.26

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Solution

The fourth proportional to 664,019,219.66, 996,244,332.37 and 197,684,677.26 is: 296,591,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,019,219.66 : 996,244,332.37 = 197,684,677.26 : x
  2. Step 2: Convert to fraction form
    664,019,219.66/996,244,332.37 = 197,684,677.26/x
  3. Step 3: Cross multiply
    664,019,219.66x = 996,244,332.37 × 197,684,677.26
  4. Step 4: Simplify right side
    664,019,219.66x = 196,942,239,316,667,616
  5. Step 5: Solve for x
    x = 196,942,239,316,667,616/664,019,219.66
  6. Step 6: Final answer
    x = 296,591,173.10

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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.