Home / 37,191,812,121.84-51,324,210,584.64-20,915,414,119.56

Finding the Fourth Proportional to 37,191,812,121.84, 51,324,210,584.64 and 20,915,414,119.56

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Solution

The fourth proportional to 37,191,812,121.84, 51,324,210,584.64 and 20,915,414,119.56 is: 28,862,995,844.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,191,812,121.84 : 51,324,210,584.64 = 20,915,414,119.56 : x
  2. Step 2: Convert to fraction form
    37,191,812,121.84/51,324,210,584.64 = 20,915,414,119.56/x
  3. Step 3: Cross multiply
    37,191,812,121.84x = 51,324,210,584.64 × 20,915,414,119.56
  4. Step 4: Simplify right side
    37,191,812,121.84x = 1,073,467,118,737,250,320,384
  5. Step 5: Solve for x
    x = 1,073,467,118,737,250,320,384/37,191,812,121.84
  6. Step 6: Final answer
    x = 28,862,995,844.91

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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.