Home / 430,856,714.10-646,375,868.10-139,701,136.80

Finding the Fourth Proportional to 430,856,714.10, 646,375,868.10 and 139,701,136.80

Calculator

Solution

The fourth proportional to 430,856,714.10, 646,375,868.10 and 139,701,136.80 is: 209,581,145.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,856,714.10 : 646,375,868.10 = 139,701,136.80 : x
  2. Step 2: Convert to fraction form
    430,856,714.10/646,375,868.10 = 139,701,136.80/x
  3. Step 3: Cross multiply
    430,856,714.10x = 646,375,868.10 × 139,701,136.80
  4. Step 4: Simplify right side
    430,856,714.10x = 90,299,443,573,656,864
  5. Step 5: Solve for x
    x = 90,299,443,573,656,864/430,856,714.10
  6. Step 6: Final answer
    x = 209,581,145.24

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.