Home / 687,992,550.70-965,910,548.90-687,992,550.70

Finding the Fourth Proportional to 687,992,550.70, 965,910,548.90 and 687,992,550.70

Calculator

Solution

The fourth proportional to 687,992,550.70, 965,910,548.90 and 687,992,550.70 is: 965,910,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,992,550.70 : 965,910,548.90 = 687,992,550.70 : x
  2. Step 2: Convert to fraction form
    687,992,550.70/965,910,548.90 = 687,992,550.70/x
  3. Step 3: Cross multiply
    687,992,550.70x = 965,910,548.90 × 687,992,550.70
  4. Step 4: Simplify right side
    687,992,550.70x = 664,539,262,285,748,096
  5. Step 5: Solve for x
    x = 664,539,262,285,748,096/687,992,550.70
  6. Step 6: Final answer
    x = 965,910,548.90

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.