Home / 521,693,998.20-782,540,997.30-496,184,830.20

Finding the Fourth Proportional to 521,693,998.20, 782,540,997.30 and 496,184,830.20

Calculator

Solution

The fourth proportional to 521,693,998.20, 782,540,997.30 and 496,184,830.20 is: 744,277,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,693,998.20 : 782,540,997.30 = 496,184,830.20 : x
  2. Step 2: Convert to fraction form
    521,693,998.20/782,540,997.30 = 496,184,830.20/x
  3. Step 3: Cross multiply
    521,693,998.20x = 782,540,997.30 × 496,184,830.20
  4. Step 4: Simplify right side
    521,693,998.20x = 388,284,971,869,839,104
  5. Step 5: Solve for x
    x = 388,284,971,869,839,104/521,693,998.20
  6. Step 6: Final answer
    x = 744,277,245.30

Related Problems

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.