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Finding the Fourth Proportional to 664,013,131.80, 996,019,697.70 and 233,191,627.80

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Solution

The fourth proportional to 664,013,131.80, 996,019,697.70 and 233,191,627.80 is: 349,787,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,013,131.80 : 996,019,697.70 = 233,191,627.80 : x
  2. Step 2: Convert to fraction form
    664,013,131.80/996,019,697.70 = 233,191,627.80/x
  3. Step 3: Cross multiply
    664,013,131.80x = 996,019,697.70 × 233,191,627.80
  4. Step 4: Simplify right side
    664,013,131.80x = 232,263,454,627,526,944
  5. Step 5: Solve for x
    x = 232,263,454,627,526,944/664,013,131.80
  6. Step 6: Final answer
    x = 349,787,441.70

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1.5x scale

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.