Home / 3,929,141,935.16-5,422,188,287.04-2,144,995,388

Finding the Fourth Proportional to 3,929,141,935.16, 5,422,188,287.04 and 2,144,995,388

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Solution

The fourth proportional to 3,929,141,935.16, 5,422,188,287.04 and 2,144,995,388 is: 2,960,078,577.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,141,935.16 : 5,422,188,287.04 = 2,144,995,388 : x
  2. Step 2: Convert to fraction form
    3,929,141,935.16/5,422,188,287.04 = 2,144,995,388/x
  3. Step 3: Cross multiply
    3,929,141,935.16x = 5,422,188,287.04 × 2,144,995,388
  4. Step 4: Simplify right side
    3,929,141,935.16x = 11,630,568,868,568,420,352
  5. Step 5: Solve for x
    x = 11,630,568,868,568,420,352/3,929,141,935.16
  6. Step 6: Final answer
    x = 2,960,078,577.08

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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.