Home / 661,062,004.80-991,593,007.20-398,034,139.20

Finding the Fourth Proportional to 661,062,004.80, 991,593,007.20 and 398,034,139.20

Calculator

Solution

The fourth proportional to 661,062,004.80, 991,593,007.20 and 398,034,139.20 is: 597,051,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,062,004.80 : 991,593,007.20 = 398,034,139.20 : x
  2. Step 2: Convert to fraction form
    661,062,004.80/991,593,007.20 = 398,034,139.20/x
  3. Step 3: Cross multiply
    661,062,004.80x = 991,593,007.20 × 398,034,139.20
  4. Step 4: Simplify right side
    661,062,004.80x = 394,687,869,057,591,424
  5. Step 5: Solve for x
    x = 394,687,869,057,591,424/661,062,004.80
  6. Step 6: Final answer
    x = 597,051,208.80

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.