Home / 3,929,141,880.90-5,422,188,212.20-2,144,995,333.84

Finding the Fourth Proportional to 3,929,141,880.90, 5,422,188,212.20 and 2,144,995,333.84

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Solution

The fourth proportional to 3,929,141,880.90, 5,422,188,212.20 and 2,144,995,333.84 is: 2,960,078,502.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,141,880.90 : 5,422,188,212.20 = 2,144,995,333.84 : x
  2. Step 2: Convert to fraction form
    3,929,141,880.90/5,422,188,212.20 = 2,144,995,333.84/x
  3. Step 3: Cross multiply
    3,929,141,880.90x = 5,422,188,212.20 × 2,144,995,333.84
  4. Step 4: Simplify right side
    3,929,141,880.90x = 11,630,568,414,368,045,056
  5. Step 5: Solve for x
    x = 11,630,568,414,368,045,056/3,929,141,880.90
  6. Step 6: Final answer
    x = 2,960,078,502.36

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Double scale
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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.