Home / 1,405,629,620.44-2,108,019,933.91-422,795,254.03

Finding the Fourth Proportional to 1,405,629,620.44, 2,108,019,933.91 and 422,795,254.03

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Solution

The fourth proportional to 1,405,629,620.44, 2,108,019,933.91 and 422,795,254.03 is: 634,065,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,629,620.44 : 2,108,019,933.91 = 422,795,254.03 : x
  2. Step 2: Convert to fraction form
    1,405,629,620.44/2,108,019,933.91 = 422,795,254.03/x
  3. Step 3: Cross multiply
    1,405,629,620.44x = 2,108,019,933.91 × 422,795,254.03
  4. Step 4: Simplify right side
    1,405,629,620.44x = 891,260,823,451,455,232
  5. Step 5: Solve for x
    x = 891,260,823,451,455,232/1,405,629,620.44
  6. Step 6: Final answer
    x = 634,065,197.90

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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.