Home / 1,992,844,991.10-2,989,267,486.65-766,053,464.70

Finding the Fourth Proportional to 1,992,844,991.10, 2,989,267,486.65 and 766,053,464.70

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Solution

The fourth proportional to 1,992,844,991.10, 2,989,267,486.65 and 766,053,464.70 is: 1,149,080,197.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,844,991.10 : 2,989,267,486.65 = 766,053,464.70 : x
  2. Step 2: Convert to fraction form
    1,992,844,991.10/2,989,267,486.65 = 766,053,464.70/x
  3. Step 3: Cross multiply
    1,992,844,991.10x = 2,989,267,486.65 × 766,053,464.70
  4. Step 4: Simplify right side
    1,992,844,991.10x = 2,289,938,715,063,293,696
  5. Step 5: Solve for x
    x = 2,289,938,715,063,293,696/1,992,844,991.10
  6. Step 6: Final answer
    x = 1,149,080,197.05

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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.