Home / 579,978,911.80-869,968,367.70-557,683,564.60

Finding the Fourth Proportional to 579,978,911.80, 869,968,367.70 and 557,683,564.60

Calculator

Solution

The fourth proportional to 579,978,911.80, 869,968,367.70 and 557,683,564.60 is: 836,525,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,978,911.80 : 869,968,367.70 = 557,683,564.60 : x
  2. Step 2: Convert to fraction form
    579,978,911.80/869,968,367.70 = 557,683,564.60/x
  3. Step 3: Cross multiply
    579,978,911.80x = 869,968,367.70 × 557,683,564.60
  4. Step 4: Simplify right side
    579,978,911.80x = 485,167,060,388,179,520
  5. Step 5: Solve for x
    x = 485,167,060,388,179,520/579,978,911.80
  6. Step 6: Final answer
    x = 836,525,346.90

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.