Home / 53,474,865,811.20-80,212,298,716.80-28,679,954,515.20

Finding the Fourth Proportional to 53,474,865,811.20, 80,212,298,716.80 and 28,679,954,515.20

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Solution

The fourth proportional to 53,474,865,811.20, 80,212,298,716.80 and 28,679,954,515.20 is: 43,019,931,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,474,865,811.20 : 80,212,298,716.80 = 28,679,954,515.20 : x
  2. Step 2: Convert to fraction form
    53,474,865,811.20/80,212,298,716.80 = 28,679,954,515.20/x
  3. Step 3: Cross multiply
    53,474,865,811.20x = 80,212,298,716.80 × 28,679,954,515.20
  4. Step 4: Simplify right side
    53,474,865,811.20x = 2,300,485,078,757,459,361,792
  5. Step 5: Solve for x
    x = 2,300,485,078,757,459,361,792/53,474,865,811.20
  6. Step 6: Final answer
    x = 43,019,931,772.80

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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.