Home / 1,405,629,621.44-2,108,019,935.41-422,795,255.03

Finding the Fourth Proportional to 1,405,629,621.44, 2,108,019,935.41 and 422,795,255.03

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Solution

The fourth proportional to 1,405,629,621.44, 2,108,019,935.41 and 422,795,255.03 is: 634,065,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,629,621.44 : 2,108,019,935.41 = 422,795,255.03 : x
  2. Step 2: Convert to fraction form
    1,405,629,621.44/2,108,019,935.41 = 422,795,255.03/x
  3. Step 3: Cross multiply
    1,405,629,621.44x = 2,108,019,935.41 × 422,795,255.03
  4. Step 4: Simplify right side
    1,405,629,621.44x = 891,260,826,199,995,008
  5. Step 5: Solve for x
    x = 891,260,826,199,995,008/1,405,629,621.44
  6. Step 6: Final answer
    x = 634,065,199.40

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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.