Home / 649,135,622-973,693,033.82-206,471,873.86

Finding the Fourth Proportional to 649,135,622, 973,693,033.82 and 206,471,873.86

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Solution

The fourth proportional to 649,135,622, 973,693,033.82 and 206,471,873.86 is: 309,704,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,135,622 : 973,693,033.82 = 206,471,873.86 : x
  2. Step 2: Convert to fraction form
    649,135,622/973,693,033.82 = 206,471,873.86/x
  3. Step 3: Cross multiply
    649,135,622x = 973,693,033.82 × 206,471,873.86
  4. Step 4: Simplify right side
    649,135,622x = 201,040,225,257,243,776
  5. Step 5: Solve for x
    x = 201,040,225,257,243,776/649,135,622
  6. Step 6: Final answer
    x = 309,704,503.10

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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.