Home / 521,520,090.60-782,280,135.90-513,867,340.20

Finding the Fourth Proportional to 521,520,090.60, 782,280,135.90 and 513,867,340.20

Calculator

Solution

The fourth proportional to 521,520,090.60, 782,280,135.90 and 513,867,340.20 is: 770,801,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,090.60 : 782,280,135.90 = 513,867,340.20 : x
  2. Step 2: Convert to fraction form
    521,520,090.60/782,280,135.90 = 513,867,340.20/x
  3. Step 3: Cross multiply
    521,520,090.60x = 782,280,135.90 × 513,867,340.20
  4. Step 4: Simplify right side
    521,520,090.60x = 401,988,212,726,227,520
  5. Step 5: Solve for x
    x = 401,988,212,726,227,520/521,520,090.60
  6. Step 6: Final answer
    x = 770,801,010.30

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.