Home / 414,105,824,991.81-621,220,846,084.60-145,447,452,713.37

Finding the Fourth Proportional to 414,105,824,991.81, 621,220,846,084.60 and 145,447,452,713.37

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Solution

The fourth proportional to 414,105,824,991.81, 621,220,846,084.60 and 145,447,452,713.37 is: 218,192,993,632.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,105,824,991.81 : 621,220,846,084.60 = 145,447,452,713.37 : x
  2. Step 2: Convert to fraction form
    414,105,824,991.81/621,220,846,084.60 = 145,447,452,713.37/x
  3. Step 3: Cross multiply
    414,105,824,991.81x = 621,220,846,084.60 × 145,447,452,713.37
  4. Step 4: Simplify right side
    414,105,824,991.81x = 90,354,989,635,449,548,439,552
  5. Step 5: Solve for x
    x = 90,354,989,635,449,548,439,552/414,105,824,991.81
  6. Step 6: Final answer
    x = 218,192,993,632.09

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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.