Home / 533,542,855.20-800,115,217.20-210,359,853.60

Finding the Fourth Proportional to 533,542,855.20, 800,115,217.20 and 210,359,853.60

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Solution

The fourth proportional to 533,542,855.20, 800,115,217.20 and 210,359,853.60 is: 315,461,294.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,542,855.20 : 800,115,217.20 = 210,359,853.60 : x
  2. Step 2: Convert to fraction form
    533,542,855.20/800,115,217.20 = 210,359,853.60/x
  3. Step 3: Cross multiply
    533,542,855.20x = 800,115,217.20 × 210,359,853.60
  4. Step 4: Simplify right side
    533,542,855.20x = 168,312,119,953,324,192
  5. Step 5: Solve for x
    x = 168,312,119,953,324,192/533,542,855.20
  6. Step 6: Final answer
    x = 315,461,294.84

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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.