Home / 321,149,504.80-443,213,418-180,018,469

Finding the Fourth Proportional to 321,149,504.80, 443,213,418 and 180,018,469

Calculator

Solution

The fourth proportional to 321,149,504.80, 443,213,418 and 180,018,469 is: 248,440,678.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,149,504.80 : 443,213,418 = 180,018,469 : x
  2. Step 2: Convert to fraction form
    321,149,504.80/443,213,418 = 180,018,469/x
  3. Step 3: Cross multiply
    321,149,504.80x = 443,213,418 × 180,018,469
  4. Step 4: Simplify right side
    321,149,504.80x = 79,786,600,948,617,040
  5. Step 5: Solve for x
    x = 79,786,600,948,617,040/321,149,504.80
  6. Step 6: Final answer
    x = 248,440,678.74

Related Problems

Find fourth proportional to 160,574,752.40, 221,606,709 and 90,009,234.50
Half scale
Find fourth proportional to 642,299,009.60, 886,426,836 and 360,036,938
Double scale
Find fourth proportional to 321,149,505.80, 443,213,419.38 and 180,018,470
Similar ratio
Find fourth proportional to 481,724,257.20, 664,820,127 and 270,027,703.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.