Home / 28,118,446,836.84-38,800,891,891.62-16,685,045,458.20

Finding the Fourth Proportional to 28,118,446,836.84, 38,800,891,891.62 and 16,685,045,458.20

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Solution

The fourth proportional to 28,118,446,836.84, 38,800,891,891.62 and 16,685,045,458.20 is: 23,023,840,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,118,446,836.84 : 38,800,891,891.62 = 16,685,045,458.20 : x
  2. Step 2: Convert to fraction form
    28,118,446,836.84/38,800,891,891.62 = 16,685,045,458.20/x
  3. Step 3: Cross multiply
    28,118,446,836.84x = 38,800,891,891.62 × 16,685,045,458.20
  4. Step 4: Simplify right side
    28,118,446,836.84x = 647,394,645,030,383,517,696
  5. Step 5: Solve for x
    x = 647,394,645,030,383,517,696/28,118,446,836.84
  6. Step 6: Final answer
    x = 23,023,840,853.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.