Home / 20,416,729,137.40-30,625,093,706.10-7,990,929,969.40

Finding the Fourth Proportional to 20,416,729,137.40, 30,625,093,706.10 and 7,990,929,969.40

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Solution

The fourth proportional to 20,416,729,137.40, 30,625,093,706.10 and 7,990,929,969.40 is: 11,986,394,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,416,729,137.40 : 30,625,093,706.10 = 7,990,929,969.40 : x
  2. Step 2: Convert to fraction form
    20,416,729,137.40/30,625,093,706.10 = 7,990,929,969.40/x
  3. Step 3: Cross multiply
    20,416,729,137.40x = 30,625,093,706.10 × 7,990,929,969.40
  4. Step 4: Simplify right side
    20,416,729,137.40x = 244,722,979,111,757,774,848
  5. Step 5: Solve for x
    x = 244,722,979,111,757,774,848/20,416,729,137.40
  6. Step 6: Final answer
    x = 11,986,394,954.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.