Home / 1,324,379,621.28-1,986,503,395.92-495,272,309.28

Finding the Fourth Proportional to 1,324,379,621.28, 1,986,503,395.92 and 495,272,309.28

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Solution

The fourth proportional to 1,324,379,621.28, 1,986,503,395.92 and 495,272,309.28 is: 742,883,768.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,379,621.28 : 1,986,503,395.92 = 495,272,309.28 : x
  2. Step 2: Convert to fraction form
    1,324,379,621.28/1,986,503,395.92 = 495,272,309.28/x
  3. Step 3: Cross multiply
    1,324,379,621.28x = 1,986,503,395.92 × 495,272,309.28
  4. Step 4: Simplify right side
    1,324,379,621.28x = 983,860,124,289,860,480
  5. Step 5: Solve for x
    x = 983,860,124,289,860,480/1,324,379,621.28
  6. Step 6: Final answer
    x = 742,883,768.73

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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.