Home / 258,048,163.60-387,072,245.40-185,488,752.40

Finding the Fourth Proportional to 258,048,163.60, 387,072,245.40 and 185,488,752.40

Calculator

Solution

The fourth proportional to 258,048,163.60, 387,072,245.40 and 185,488,752.40 is: 278,233,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,048,163.60 : 387,072,245.40 = 185,488,752.40 : x
  2. Step 2: Convert to fraction form
    258,048,163.60/387,072,245.40 = 185,488,752.40/x
  3. Step 3: Cross multiply
    258,048,163.60x = 387,072,245.40 × 185,488,752.40
  4. Step 4: Simplify right side
    258,048,163.60x = 71,797,547,887,912,640
  5. Step 5: Solve for x
    x = 71,797,547,887,912,640/258,048,163.60
  6. Step 6: Final answer
    x = 278,233,128.60

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.