Home / 3,789,190,893.15-5,228,817,978.38-2,203,170,330.78

Finding the Fourth Proportional to 3,789,190,893.15, 5,228,817,978.38 and 2,203,170,330.78

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Solution

The fourth proportional to 3,789,190,893.15, 5,228,817,978.38 and 2,203,170,330.78 is: 3,040,220,711.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789,190,893.15 : 5,228,817,978.38 = 2,203,170,330.78 : x
  2. Step 2: Convert to fraction form
    3,789,190,893.15/5,228,817,978.38 = 2,203,170,330.78/x
  3. Step 3: Cross multiply
    3,789,190,893.15x = 5,228,817,978.38 × 2,203,170,330.78
  4. Step 4: Simplify right side
    3,789,190,893.15x = 11,519,976,635,004,860,416
  5. Step 5: Solve for x
    x = 11,519,976,635,004,860,416/3,789,190,893.15
  6. Step 6: Final answer
    x = 3,040,220,711.98

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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.