Home / 2,656,974,029.85-3,983,919,141.87-1,257,946,556.40

Finding the Fourth Proportional to 2,656,974,029.85, 3,983,919,141.87 and 1,257,946,556.40

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Solution

The fourth proportional to 2,656,974,029.85, 3,983,919,141.87 and 1,257,946,556.40 is: 1,886,189,819.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656,974,029.85 : 3,983,919,141.87 = 1,257,946,556.40 : x
  2. Step 2: Convert to fraction form
    2,656,974,029.85/3,983,919,141.87 = 1,257,946,556.40/x
  3. Step 3: Cross multiply
    2,656,974,029.85x = 3,983,919,141.87 × 1,257,946,556.40
  4. Step 4: Simplify right side
    2,656,974,029.85x = 5,011,557,365,491,409,920
  5. Step 5: Solve for x
    x = 5,011,557,365,491,409,920/2,656,974,029.85
  6. Step 6: Final answer
    x = 1,886,189,819.39

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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.