Home / 580,653,766.80-870,980,650.20-257,537,638.80

Finding the Fourth Proportional to 580,653,766.80, 870,980,650.20 and 257,537,638.80

Calculator

Solution

The fourth proportional to 580,653,766.80, 870,980,650.20 and 257,537,638.80 is: 386,306,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,653,766.80 : 870,980,650.20 = 257,537,638.80 : x
  2. Step 2: Convert to fraction form
    580,653,766.80/870,980,650.20 = 257,537,638.80/x
  3. Step 3: Cross multiply
    580,653,766.80x = 870,980,650.20 × 257,537,638.80
  4. Step 4: Simplify right side
    580,653,766.80x = 224,310,300,092,996,768
  5. Step 5: Solve for x
    x = 224,310,300,092,996,768/580,653,766.80
  6. Step 6: Final answer
    x = 386,306,458.20

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.