Home / 819,575,043.58-1,131,016,944.38-443,231,623.14

Finding the Fourth Proportional to 819,575,043.58, 1,131,016,944.38 and 443,231,623.14

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Solution

The fourth proportional to 819,575,043.58, 1,131,016,944.38 and 443,231,623.14 is: 611,661,470.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,575,043.58 : 1,131,016,944.38 = 443,231,623.14 : x
  2. Step 2: Convert to fraction form
    819,575,043.58/1,131,016,944.38 = 443,231,623.14/x
  3. Step 3: Cross multiply
    819,575,043.58x = 1,131,016,944.38 × 443,231,623.14
  4. Step 4: Simplify right side
    819,575,043.58x = 501,302,476,056,390,528
  5. Step 5: Solve for x
    x = 501,302,476,056,390,528/819,575,043.58
  6. Step 6: Final answer
    x = 611,661,470.15

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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.