Home / 533,854,455.30-800,781,682.95-419,192,669.70

Finding the Fourth Proportional to 533,854,455.30, 800,781,682.95 and 419,192,669.70

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Solution

The fourth proportional to 533,854,455.30, 800,781,682.95 and 419,192,669.70 is: 628,789,004.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,854,455.30 : 800,781,682.95 = 419,192,669.70 : x
  2. Step 2: Convert to fraction form
    533,854,455.30/800,781,682.95 = 419,192,669.70/x
  3. Step 3: Cross multiply
    533,854,455.30x = 800,781,682.95 × 419,192,669.70
  4. Step 4: Simplify right side
    533,854,455.30x = 335,681,811,522,669,504
  5. Step 5: Solve for x
    x = 335,681,811,522,669,504/533,854,455.30
  6. Step 6: Final answer
    x = 628,789,004.55

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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.