Home / 490,678,049.80-735,391,884.30-260,757,281.80

Finding the Fourth Proportional to 490,678,049.80, 735,391,884.30 and 260,757,281.80

Calculator

Solution

The fourth proportional to 490,678,049.80, 735,391,884.30 and 260,757,281.80 is: 390,803,682.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,678,049.80 : 735,391,884.30 = 260,757,281.80 : x
  2. Step 2: Convert to fraction form
    490,678,049.80/735,391,884.30 = 260,757,281.80/x
  3. Step 3: Cross multiply
    490,678,049.80x = 735,391,884.30 × 260,757,281.80
  4. Step 4: Simplify right side
    490,678,049.80x = 191,758,788,807,848,096
  5. Step 5: Solve for x
    x = 191,758,788,807,848,096/490,678,049.80
  6. Step 6: Final answer
    x = 390,803,682.55

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.