Home / 3,511,246,872.20-4,840,833,209.74-2,789,429,788.12

Finding the Fourth Proportional to 3,511,246,872.20, 4,840,833,209.74 and 2,789,429,788.12

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Solution

The fourth proportional to 3,511,246,872.20, 4,840,833,209.74 and 2,789,429,788.12 is: 3,845,689,251.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,246,872.20 : 4,840,833,209.74 = 2,789,429,788.12 : x
  2. Step 2: Convert to fraction form
    3,511,246,872.20/4,840,833,209.74 = 2,789,429,788.12/x
  3. Step 3: Cross multiply
    3,511,246,872.20x = 4,840,833,209.74 × 2,789,429,788.12
  4. Step 4: Simplify right side
    3,511,246,872.20x = 13,503,164,354,569,306,112
  5. Step 5: Solve for x
    x = 13,503,164,354,569,306,112/3,511,246,872.20
  6. Step 6: Final answer
    x = 3,845,689,251.15

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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.