Home / 3,927,199,327.47-5,419,649,522.69-2,143,167,692.28

Finding the Fourth Proportional to 3,927,199,327.47, 5,419,649,522.69 and 2,143,167,692.28

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Solution

The fourth proportional to 3,927,199,327.47, 5,419,649,522.69 and 2,143,167,692.28 is: 2,957,633,873.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927,199,327.47 : 5,419,649,522.69 = 2,143,167,692.28 : x
  2. Step 2: Convert to fraction form
    3,927,199,327.47/5,419,649,522.69 = 2,143,167,692.28/x
  3. Step 3: Cross multiply
    3,927,199,327.47x = 5,419,649,522.69 × 2,143,167,692.28
  4. Step 4: Simplify right side
    3,927,199,327.47x = 11,615,217,760,499,216,384
  5. Step 5: Solve for x
    x = 11,615,217,760,499,216,384/3,927,199,327.47
  6. Step 6: Final answer
    x = 2,957,633,873.90

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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.