Home / 819,566,206.13-1,131,004,772.03-443,222,793.86

Finding the Fourth Proportional to 819,566,206.13, 1,131,004,772.03 and 443,222,793.86

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Solution

The fourth proportional to 819,566,206.13, 1,131,004,772.03 and 443,222,793.86 is: 611,649,298.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,566,206.13 : 1,131,004,772.03 = 443,222,793.86 : x
  2. Step 2: Convert to fraction form
    819,566,206.13/1,131,004,772.03 = 443,222,793.86/x
  3. Step 3: Cross multiply
    819,566,206.13x = 1,131,004,772.03 × 443,222,793.86
  4. Step 4: Simplify right side
    819,566,206.13x = 501,287,094,928,740,416
  5. Step 5: Solve for x
    x = 501,287,094,928,740,416/819,566,206.13
  6. Step 6: Final answer
    x = 611,649,298.35

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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.