Home / 2,178,345,358.60-3,006,027,801.03-1,286,560,788.55

Finding the Fourth Proportional to 2,178,345,358.60, 3,006,027,801.03 and 1,286,560,788.55

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Solution

The fourth proportional to 2,178,345,358.60, 3,006,027,801.03 and 1,286,560,788.55 is: 1,775,401,445.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,345,358.60 : 3,006,027,801.03 = 1,286,560,788.55 : x
  2. Step 2: Convert to fraction form
    2,178,345,358.60/3,006,027,801.03 = 1,286,560,788.55/x
  3. Step 3: Cross multiply
    2,178,345,358.60x = 3,006,027,801.03 × 1,286,560,788.55
  4. Step 4: Simplify right side
    2,178,345,358.60x = 3,867,437,498,096,379,392
  5. Step 5: Solve for x
    x = 3,867,437,498,096,379,392/2,178,345,358.60
  6. Step 6: Final answer
    x = 1,775,401,445.33

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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.