Home / 20,074,988,622.30-30,112,482,933.45-11,797,840,974.30

Finding the Fourth Proportional to 20,074,988,622.30, 30,112,482,933.45 and 11,797,840,974.30

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Solution

The fourth proportional to 20,074,988,622.30, 30,112,482,933.45 and 11,797,840,974.30 is: 17,696,761,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074,988,622.30 : 30,112,482,933.45 = 11,797,840,974.30 : x
  2. Step 2: Convert to fraction form
    20,074,988,622.30/30,112,482,933.45 = 11,797,840,974.30/x
  3. Step 3: Cross multiply
    20,074,988,622.30x = 30,112,482,933.45 × 11,797,840,974.30
  4. Step 4: Simplify right side
    20,074,988,622.30x = 355,262,284,990,165,876,736
  5. Step 5: Solve for x
    x = 355,262,284,990,165,876,736/20,074,988,622.30
  6. Step 6: Final answer
    x = 17,696,761,461.45

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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.