Home / 533,552,648.40-800,328,972.60-442,853,384.40

Finding the Fourth Proportional to 533,552,648.40, 800,328,972.60 and 442,853,384.40

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Solution

The fourth proportional to 533,552,648.40, 800,328,972.60 and 442,853,384.40 is: 664,280,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,552,648.40 : 800,328,972.60 = 442,853,384.40 : x
  2. Step 2: Convert to fraction form
    533,552,648.40/800,328,972.60 = 442,853,384.40/x
  3. Step 3: Cross multiply
    533,552,648.40x = 800,328,972.60 × 442,853,384.40
  4. Step 4: Simplify right side
    533,552,648.40x = 354,428,394,149,284,864
  5. Step 5: Solve for x
    x = 354,428,394,149,284,864/533,552,648.40
  6. Step 6: Final answer
    x = 664,280,076.60

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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.