Home / 1,996,727,329.80-2,989,351,431.90-1,221,886,351.80

Finding the Fourth Proportional to 1,996,727,329.80, 2,989,351,431.90 and 1,221,886,351.80

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Solution

The fourth proportional to 1,996,727,329.80, 2,989,351,431.90 and 1,221,886,351.80 is: 1,829,317,233.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,727,329.80 : 2,989,351,431.90 = 1,221,886,351.80 : x
  2. Step 2: Convert to fraction form
    1,996,727,329.80/2,989,351,431.90 = 1,221,886,351.80/x
  3. Step 3: Cross multiply
    1,996,727,329.80x = 2,989,351,431.90 × 1,221,886,351.80
  4. Step 4: Simplify right side
    1,996,727,329.80x = 3,652,647,715,372,397,056
  5. Step 5: Solve for x
    x = 3,652,647,715,372,397,056/1,996,727,329.80
  6. Step 6: Final answer
    x = 1,829,317,233.68

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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.