Home / 21,558,528,067.20-32,337,792,100.80-12,270,923,433.60

Finding the Fourth Proportional to 21,558,528,067.20, 32,337,792,100.80 and 12,270,923,433.60

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Solution

The fourth proportional to 21,558,528,067.20, 32,337,792,100.80 and 12,270,923,433.60 is: 18,406,385,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,558,528,067.20 : 32,337,792,100.80 = 12,270,923,433.60 : x
  2. Step 2: Convert to fraction form
    21,558,528,067.20/32,337,792,100.80 = 12,270,923,433.60/x
  3. Step 3: Cross multiply
    21,558,528,067.20x = 32,337,792,100.80 × 12,270,923,433.60
  4. Step 4: Simplify right side
    21,558,528,067.20x = 396,814,570,880,591,724,544
  5. Step 5: Solve for x
    x = 396,814,570,880,591,724,544/21,558,528,067.20
  6. Step 6: Final answer
    x = 18,406,385,150.40

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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.