Home / 1,941,307,177.27-2,912,083,351.31-820,621,862.41

Finding the Fourth Proportional to 1,941,307,177.27, 2,912,083,351.31 and 820,621,862.41

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Solution

The fourth proportional to 1,941,307,177.27, 2,912,083,351.31 and 820,621,862.41 is: 1,230,984,612.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,307,177.27 : 2,912,083,351.31 = 820,621,862.41 : x
  2. Step 2: Convert to fraction form
    1,941,307,177.27/2,912,083,351.31 = 820,621,862.41/x
  3. Step 3: Cross multiply
    1,941,307,177.27x = 2,912,083,351.31 × 820,621,862.41
  4. Step 4: Simplify right side
    1,941,307,177.27x = 2,389,719,263,245,166,592
  5. Step 5: Solve for x
    x = 2,389,719,263,245,166,592/1,941,307,177.27
  6. Step 6: Final answer
    x = 1,230,984,612.44

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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.