Home / 34,364,839,529.60-47,427,606,999.41-20,816,079,149.29

Finding the Fourth Proportional to 34,364,839,529.60, 47,427,606,999.41 and 20,816,079,149.29

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Solution

The fourth proportional to 34,364,839,529.60, 47,427,606,999.41 and 20,816,079,149.29 is: 28,728,689,982.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,364,839,529.60 : 47,427,606,999.41 = 20,816,079,149.29 : x
  2. Step 2: Convert to fraction form
    34,364,839,529.60/47,427,606,999.41 = 20,816,079,149.29/x
  3. Step 3: Cross multiply
    34,364,839,529.60x = 47,427,606,999.41 × 20,816,079,149.29
  4. Step 4: Simplify right side
    34,364,839,529.60x = 987,256,821,160,797,667,328
  5. Step 5: Solve for x
    x = 987,256,821,160,797,667,328/34,364,839,529.60
  6. Step 6: Final answer
    x = 28,728,689,982.98

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1.5x scale

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.