Home / 1,206,581,524.68-1,809,823,025.94-419,815,253.64

Finding the Fourth Proportional to 1,206,581,524.68, 1,809,823,025.94 and 419,815,253.64

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Solution

The fourth proportional to 1,206,581,524.68, 1,809,823,025.94 and 419,815,253.64 is: 629,705,740.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,581,524.68 : 1,809,823,025.94 = 419,815,253.64 : x
  2. Step 2: Convert to fraction form
    1,206,581,524.68/1,809,823,025.94 = 419,815,253.64/x
  3. Step 3: Cross multiply
    1,206,581,524.68x = 1,809,823,025.94 × 419,815,253.64
  4. Step 4: Simplify right side
    1,206,581,524.68x = 759,791,312,678,513,408
  5. Step 5: Solve for x
    x = 759,791,312,678,513,408/1,206,581,524.68
  6. Step 6: Final answer
    x = 629,705,740.67

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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.