Home / 3,929,534,706.62-5,422,729,819.02-2,145,388,101.32

Finding the Fourth Proportional to 3,929,534,706.62, 5,422,729,819.02 and 2,145,388,101.32

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Solution

The fourth proportional to 3,929,534,706.62, 5,422,729,819.02 and 2,145,388,101.32 is: 2,960,620,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,534,706.62 : 5,422,729,819.02 = 2,145,388,101.32 : x
  2. Step 2: Convert to fraction form
    3,929,534,706.62/5,422,729,819.02 = 2,145,388,101.32/x
  3. Step 3: Cross multiply
    3,929,534,706.62x = 5,422,729,819.02 × 2,145,388,101.32
  4. Step 4: Simplify right side
    3,929,534,706.62x = 11,633,860,030,403,639,296
  5. Step 5: Solve for x
    x = 11,633,860,030,403,639,296/3,929,534,706.62
  6. Step 6: Final answer
    x = 2,960,620,251.25

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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.