Home / 414,105,825,056.61-621,220,846,181.83-145,447,452,778.21

Finding the Fourth Proportional to 414,105,825,056.61, 621,220,846,181.83 and 145,447,452,778.21

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Solution

The fourth proportional to 414,105,825,056.61, 621,220,846,181.83 and 145,447,452,778.21 is: 218,192,993,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,105,825,056.61 : 621,220,846,181.83 = 145,447,452,778.21 : x
  2. Step 2: Convert to fraction form
    414,105,825,056.61/621,220,846,181.83 = 145,447,452,778.21/x
  3. Step 3: Cross multiply
    414,105,825,056.61x = 621,220,846,181.83 × 145,447,452,778.21
  4. Step 4: Simplify right side
    414,105,825,056.61x = 90,354,989,689,871,364,259,840
  5. Step 5: Solve for x
    x = 90,354,989,689,871,364,259,840/414,105,825,056.61
  6. Step 6: Final answer
    x = 218,192,993,729.37

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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.