Home / 414,105,825,050.86-621,220,846,173.21-145,447,452,772.44

Finding the Fourth Proportional to 414,105,825,050.86, 621,220,846,173.21 and 145,447,452,772.44

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Solution

The fourth proportional to 414,105,825,050.86, 621,220,846,173.21 and 145,447,452,772.44 is: 218,192,993,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,105,825,050.86 : 621,220,846,173.21 = 145,447,452,772.44 : x
  2. Step 2: Convert to fraction form
    414,105,825,050.86/621,220,846,173.21 = 145,447,452,772.44/x
  3. Step 3: Cross multiply
    414,105,825,050.86x = 621,220,846,173.21 × 145,447,452,772.44
  4. Step 4: Simplify right side
    414,105,825,050.86x = 90,354,989,685,033,167,486,976
  5. Step 5: Solve for x
    x = 90,354,989,685,033,167,486,976/414,105,825,050.86
  6. Step 6: Final answer
    x = 218,192,993,720.71

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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.