Home / 819,566,204.64-1,131,004,769.96-443,222,792.37

Finding the Fourth Proportional to 819,566,204.64, 1,131,004,769.96 and 443,222,792.37

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Solution

The fourth proportional to 819,566,204.64, 1,131,004,769.96 and 443,222,792.37 is: 611,649,296.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,566,204.64 : 1,131,004,769.96 = 443,222,792.37 : x
  2. Step 2: Convert to fraction form
    819,566,204.64/1,131,004,769.96 = 443,222,792.37/x
  3. Step 3: Cross multiply
    819,566,204.64x = 1,131,004,769.96 × 443,222,792.37
  4. Step 4: Simplify right side
    819,566,204.64x = 501,287,092,319,805,696
  5. Step 5: Solve for x
    x = 501,287,092,319,805,696/819,566,204.64
  6. Step 6: Final answer
    x = 611,649,296.28

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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.