Home / 550,685,449.20-825,785,777.64-291,840,024.27

Finding the Fourth Proportional to 550,685,449.20, 825,785,777.64 and 291,840,024.27

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Solution

The fourth proportional to 550,685,449.20, 825,785,777.64 and 291,840,024.27 is: 437,631,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,685,449.20 : 825,785,777.64 = 291,840,024.27 : x
  2. Step 2: Convert to fraction form
    550,685,449.20/825,785,777.64 = 291,840,024.27/x
  3. Step 3: Cross multiply
    550,685,449.20x = 825,785,777.64 × 291,840,024.27
  4. Step 4: Simplify right side
    550,685,449.20x = 240,997,341,388,278,400
  5. Step 5: Solve for x
    x = 240,997,341,388,278,400/550,685,449.20
  6. Step 6: Final answer
    x = 437,631,576.68

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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.