Home / 20,954,847,885.75-28,917,807,538.82-11,922,605,772.80

Finding the Fourth Proportional to 20,954,847,885.75, 28,917,807,538.82 and 11,922,605,772.80

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Solution

The fourth proportional to 20,954,847,885.75, 28,917,807,538.82 and 11,922,605,772.80 is: 16,453,262,795.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,954,847,885.75 : 28,917,807,538.82 = 11,922,605,772.80 : x
  2. Step 2: Convert to fraction form
    20,954,847,885.75/28,917,807,538.82 = 11,922,605,772.80/x
  3. Step 3: Cross multiply
    20,954,847,885.75x = 28,917,807,538.82 × 11,922,605,772.80
  4. Step 4: Simplify right side
    20,954,847,885.75x = 344,775,619,098,850,492,416
  5. Step 5: Solve for x
    x = 344,775,619,098,850,492,416/20,954,847,885.75
  6. Step 6: Final answer
    x = 16,453,262,795.26

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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.