Home / 21,649,913,450.24-29,876,944,915.44-12,005,322,867.30

Finding the Fourth Proportional to 21,649,913,450.24, 29,876,944,915.44 and 12,005,322,867.30

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Solution

The fourth proportional to 21,649,913,450.24, 29,876,944,915.44 and 12,005,322,867.30 is: 16,567,381,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,649,913,450.24 : 29,876,944,915.44 = 12,005,322,867.30 : x
  2. Step 2: Convert to fraction form
    21,649,913,450.24/29,876,944,915.44 = 12,005,322,867.30/x
  3. Step 3: Cross multiply
    21,649,913,450.24x = 29,876,944,915.44 × 12,005,322,867.30
  4. Step 4: Simplify right side
    21,649,913,450.24x = 358,682,369,998,394,228,736
  5. Step 5: Solve for x
    x = 358,682,369,998,394,228,736/21,649,913,450.24
  6. Step 6: Final answer
    x = 16,567,381,242.55

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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.