Home / 265,728,668.80-398,593,003.20-197,704,220.80

Finding the Fourth Proportional to 265,728,668.80, 398,593,003.20 and 197,704,220.80

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Solution

The fourth proportional to 265,728,668.80, 398,593,003.20 and 197,704,220.80 is: 296,556,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,728,668.80 : 398,593,003.20 = 197,704,220.80 : x
  2. Step 2: Convert to fraction form
    265,728,668.80/398,593,003.20 = 197,704,220.80/x
  3. Step 3: Cross multiply
    265,728,668.80x = 398,593,003.20 × 197,704,220.80
  4. Step 4: Simplify right side
    265,728,668.80x = 78,803,519,113,987,904
  5. Step 5: Solve for x
    x = 78,803,519,113,987,904/265,728,668.80
  6. Step 6: Final answer
    x = 296,556,331.20

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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.