Home / 819,575,032.43-1,131,016,929.01-443,231,612.01

Finding the Fourth Proportional to 819,575,032.43, 1,131,016,929.01 and 443,231,612.01

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Solution

The fourth proportional to 819,575,032.43, 1,131,016,929.01 and 443,231,612.01 is: 611,661,454.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,575,032.43 : 1,131,016,929.01 = 443,231,612.01 : x
  2. Step 2: Convert to fraction form
    819,575,032.43/1,131,016,929.01 = 443,231,612.01/x
  3. Step 3: Cross multiply
    819,575,032.43x = 1,131,016,929.01 × 443,231,612.01
  4. Step 4: Simplify right side
    819,575,032.43x = 501,302,456,657,076,032
  5. Step 5: Solve for x
    x = 501,302,456,657,076,032/819,575,032.43
  6. Step 6: Final answer
    x = 611,661,454.81

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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.