Home / 34,364,839,529.10-47,427,606,998.72-20,816,079,148.79

Finding the Fourth Proportional to 34,364,839,529.10, 47,427,606,998.72 and 20,816,079,148.79

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Solution

The fourth proportional to 34,364,839,529.10, 47,427,606,998.72 and 20,816,079,148.79 is: 28,728,689,982.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,364,839,529.10 : 47,427,606,998.72 = 20,816,079,148.79 : x
  2. Step 2: Convert to fraction form
    34,364,839,529.10/47,427,606,998.72 = 20,816,079,148.79/x
  3. Step 3: Cross multiply
    34,364,839,529.10x = 47,427,606,998.72 × 20,816,079,148.79
  4. Step 4: Simplify right side
    34,364,839,529.10x = 987,256,821,122,720,727,040
  5. Step 5: Solve for x
    x = 987,256,821,122,720,727,040/34,364,839,529.10
  6. Step 6: Final answer
    x = 28,728,689,982.29

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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.