Home / 1,992,906,005.80-2,989,359,008.70-1,163,007,740.20

Finding the Fourth Proportional to 1,992,906,005.80, 2,989,359,008.70 and 1,163,007,740.20

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Solution

The fourth proportional to 1,992,906,005.80, 2,989,359,008.70 and 1,163,007,740.20 is: 1,744,511,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,906,005.80 : 2,989,359,008.70 = 1,163,007,740.20 : x
  2. Step 2: Convert to fraction form
    1,992,906,005.80/2,989,359,008.70 = 1,163,007,740.20/x
  3. Step 3: Cross multiply
    1,992,906,005.80x = 2,989,359,008.70 × 1,163,007,740.20
  4. Step 4: Simplify right side
    1,992,906,005.80x = 3,476,647,665,354,699,264
  5. Step 5: Solve for x
    x = 3,476,647,665,354,699,264/1,992,906,005.80
  6. Step 6: Final answer
    x = 1,744,511,610.30

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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.