Home / 1,992,844,982.10-2,989,267,473.15-766,053,455.70

Finding the Fourth Proportional to 1,992,844,982.10, 2,989,267,473.15 and 766,053,455.70

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Solution

The fourth proportional to 1,992,844,982.10, 2,989,267,473.15 and 766,053,455.70 is: 1,149,080,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,844,982.10 : 2,989,267,473.15 = 766,053,455.70 : x
  2. Step 2: Convert to fraction form
    1,992,844,982.10/2,989,267,473.15 = 766,053,455.70/x
  3. Step 3: Cross multiply
    1,992,844,982.10x = 2,989,267,473.15 × 766,053,455.70
  4. Step 4: Simplify right side
    1,992,844,982.10x = 2,289,938,677,818,164,736
  5. Step 5: Solve for x
    x = 2,289,938,677,818,164,736/1,992,844,982.10
  6. Step 6: Final answer
    x = 1,149,080,183.55

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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.