Home / 363,446,353.20-545,169,529.80-220,119,121.20

Finding the Fourth Proportional to 363,446,353.20, 545,169,529.80 and 220,119,121.20

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Solution

The fourth proportional to 363,446,353.20, 545,169,529.80 and 220,119,121.20 is: 330,178,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,446,353.20 : 545,169,529.80 = 220,119,121.20 : x
  2. Step 2: Convert to fraction form
    363,446,353.20/545,169,529.80 = 220,119,121.20/x
  3. Step 3: Cross multiply
    363,446,353.20x = 545,169,529.80 × 220,119,121.20
  4. Step 4: Simplify right side
    363,446,353.20x = 120,002,237,804,593,200
  5. Step 5: Solve for x
    x = 120,002,237,804,593,200/363,446,353.20
  6. Step 6: Final answer
    x = 330,178,681.80

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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.