Home / 485,556,002.10-728,334,003.15-477,493,845.30

Finding the Fourth Proportional to 485,556,002.10, 728,334,003.15 and 477,493,845.30

Calculator

Solution

The fourth proportional to 485,556,002.10, 728,334,003.15 and 477,493,845.30 is: 716,240,767.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,556,002.10 : 728,334,003.15 = 477,493,845.30 : x
  2. Step 2: Convert to fraction form
    485,556,002.10/728,334,003.15 = 477,493,845.30/x
  3. Step 3: Cross multiply
    485,556,002.10x = 728,334,003.15 × 477,493,845.30
  4. Step 4: Simplify right side
    485,556,002.10x = 347,775,003,826,835,840
  5. Step 5: Solve for x
    x = 347,775,003,826,835,840/485,556,002.10
  6. Step 6: Final answer
    x = 716,240,767.95

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.