Home / 533,854,454.80-800,781,682.20-419,192,669.20

Finding the Fourth Proportional to 533,854,454.80, 800,781,682.20 and 419,192,669.20

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Solution

The fourth proportional to 533,854,454.80, 800,781,682.20 and 419,192,669.20 is: 628,789,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,854,454.80 : 800,781,682.20 = 419,192,669.20 : x
  2. Step 2: Convert to fraction form
    533,854,454.80/800,781,682.20 = 419,192,669.20/x
  3. Step 3: Cross multiply
    533,854,454.80x = 800,781,682.20 × 419,192,669.20
  4. Step 4: Simplify right side
    533,854,454.80x = 335,681,810,807,884,160
  5. Step 5: Solve for x
    x = 335,681,810,807,884,160/533,854,454.80
  6. Step 6: Final answer
    x = 628,789,003.80

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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.