Home / 693,233,690.80-956,765,170.32-438,938,683.68

Finding the Fourth Proportional to 693,233,690.80, 956,765,170.32 and 438,938,683.68

Calculator

Solution

The fourth proportional to 693,233,690.80, 956,765,170.32 and 438,938,683.68 is: 605,800,396.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,233,690.80 : 956,765,170.32 = 438,938,683.68 : x
  2. Step 2: Convert to fraction form
    693,233,690.80/956,765,170.32 = 438,938,683.68/x
  3. Step 3: Cross multiply
    693,233,690.80x = 956,765,170.32 × 438,938,683.68
  4. Step 4: Simplify right side
    693,233,690.80x = 419,961,244,451,131,840
  5. Step 5: Solve for x
    x = 419,961,244,451,131,840/693,233,690.80
  6. Step 6: Final answer
    x = 605,800,396.06

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.