Home / 420,804,401.65-580,659,773.92-232,607,271.49

Finding the Fourth Proportional to 420,804,401.65, 580,659,773.92 and 232,607,271.49

Calculator

Solution

The fourth proportional to 420,804,401.65, 580,659,773.92 and 232,607,271.49 is: 320,970,230.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,804,401.65 : 580,659,773.92 = 232,607,271.49 : x
  2. Step 2: Convert to fraction form
    420,804,401.65/580,659,773.92 = 232,607,271.49/x
  3. Step 3: Cross multiply
    420,804,401.65x = 580,659,773.92 × 232,607,271.49
  4. Step 4: Simplify right side
    420,804,401.65x = 135,065,685,675,531,456
  5. Step 5: Solve for x
    x = 135,065,685,675,531,456/420,804,401.65
  6. Step 6: Final answer
    x = 320,970,230.22

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.