Home / 278,339,362.82-384,085,920.42-160,872,301.38

Finding the Fourth Proportional to 278,339,362.82, 384,085,920.42 and 160,872,301.38

Calculator

Solution

The fourth proportional to 278,339,362.82, 384,085,920.42 and 160,872,301.38 is: 221,990,829.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,339,362.82 : 384,085,920.42 = 160,872,301.38 : x
  2. Step 2: Convert to fraction form
    278,339,362.82/384,085,920.42 = 160,872,301.38/x
  3. Step 3: Cross multiply
    278,339,362.82x = 384,085,920.42 × 160,872,301.38
  4. Step 4: Simplify right side
    278,339,362.82x = 61,788,785,945,620,936
  5. Step 5: Solve for x
    x = 61,788,785,945,620,936/278,339,362.82
  6. Step 6: Final answer
    x = 221,990,829.18

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.