Home / 521,554,043.20-782,331,064.80-314,929,782.40

Finding the Fourth Proportional to 521,554,043.20, 782,331,064.80 and 314,929,782.40

Calculator

Solution

The fourth proportional to 521,554,043.20, 782,331,064.80 and 314,929,782.40 is: 472,394,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,554,043.20 : 782,331,064.80 = 314,929,782.40 : x
  2. Step 2: Convert to fraction form
    521,554,043.20/782,331,064.80 = 314,929,782.40/x
  3. Step 3: Cross multiply
    521,554,043.20x = 782,331,064.80 × 314,929,782.40
  4. Step 4: Simplify right side
    521,554,043.20x = 246,379,352,002,224,256
  5. Step 5: Solve for x
    x = 246,379,352,002,224,256/521,554,043.20
  6. Step 6: Final answer
    x = 472,394,673.60

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.