Home / 477,638,198.44-716,430,348.78-211,667,309.08

Finding the Fourth Proportional to 477,638,198.44, 716,430,348.78 and 211,667,309.08

Calculator

Solution

The fourth proportional to 477,638,198.44, 716,430,348.78 and 211,667,309.08 is: 317,489,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,638,198.44 : 716,430,348.78 = 211,667,309.08 : x
  2. Step 2: Convert to fraction form
    477,638,198.44/716,430,348.78 = 211,667,309.08/x
  3. Step 3: Cross multiply
    477,638,198.44x = 716,430,348.78 × 211,667,309.08
  4. Step 4: Simplify right side
    477,638,198.44x = 151,644,884,069,508,480
  5. Step 5: Solve for x
    x = 151,644,884,069,508,480/477,638,198.44
  6. Step 6: Final answer
    x = 317,489,021.11

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.