Home / 2,719,856,338.80-4,078,776,738.60-879,669,049.20

Finding the Fourth Proportional to 2,719,856,338.80, 4,078,776,738.60 and 879,669,049.20

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Solution

The fourth proportional to 2,719,856,338.80, 4,078,776,738.60 and 879,669,049.20 is: 1,319,177,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,856,338.80 : 4,078,776,738.60 = 879,669,049.20 : x
  2. Step 2: Convert to fraction form
    2,719,856,338.80/4,078,776,738.60 = 879,669,049.20/x
  3. Step 3: Cross multiply
    2,719,856,338.80x = 4,078,776,738.60 × 879,669,049.20
  4. Step 4: Simplify right side
    2,719,856,338.80x = 3,587,973,655,543,339,008
  5. Step 5: Solve for x
    x = 3,587,973,655,543,339,008/2,719,856,338.80
  6. Step 6: Final answer
    x = 1,319,177,636.10

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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.