Home / 318,282,286.78-439,068,779.11-186,036,884.49

Finding the Fourth Proportional to 318,282,286.78, 439,068,779.11 and 186,036,884.49

Calculator

Solution

The fourth proportional to 318,282,286.78, 439,068,779.11 and 186,036,884.49 is: 256,636,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,282,286.78 : 439,068,779.11 = 186,036,884.49 : x
  2. Step 2: Convert to fraction form
    318,282,286.78/439,068,779.11 = 186,036,884.49/x
  3. Step 3: Cross multiply
    318,282,286.78x = 439,068,779.11 × 186,036,884.49
  4. Step 4: Simplify right side
    318,282,286.78x = 81,682,987,742,452,400
  5. Step 5: Solve for x
    x = 81,682,987,742,452,400/318,282,286.78
  6. Step 6: Final answer
    x = 256,636,926.20

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.