Home / 499,419,590.32-689,193,958.44-276,401,705.68

Finding the Fourth Proportional to 499,419,590.32, 689,193,958.44 and 276,401,705.68

Calculator

Solution

The fourth proportional to 499,419,590.32, 689,193,958.44 and 276,401,705.68 is: 381,431,544.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,419,590.32 : 689,193,958.44 = 276,401,705.68 : x
  2. Step 2: Convert to fraction form
    499,419,590.32/689,193,958.44 = 276,401,705.68/x
  3. Step 3: Cross multiply
    499,419,590.32x = 689,193,958.44 × 276,401,705.68
  4. Step 4: Simplify right side
    499,419,590.32x = 190,494,385,657,167,040
  5. Step 5: Solve for x
    x = 190,494,385,657,167,040/499,419,590.32
  6. Step 6: Final answer
    x = 381,431,544.44

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.