Home / 212,542,220.40-318,813,330.60-212,542,220.40

Finding the Fourth Proportional to 212,542,220.40, 318,813,330.60 and 212,542,220.40

Calculator

Solution

The fourth proportional to 212,542,220.40, 318,813,330.60 and 212,542,220.40 is: 318,813,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,542,220.40 : 318,813,330.60 = 212,542,220.40 : x
  2. Step 2: Convert to fraction form
    212,542,220.40/318,813,330.60 = 212,542,220.40/x
  3. Step 3: Cross multiply
    212,542,220.40x = 318,813,330.60 × 212,542,220.40
  4. Step 4: Simplify right side
    212,542,220.40x = 67,761,293,178,843,272
  5. Step 5: Solve for x
    x = 67,761,293,178,843,272/212,542,220.40
  6. Step 6: Final answer
    x = 318,813,330.60

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.