Home / 366,623,615.62-505,950,178.27-199,369,658.90

Finding the Fourth Proportional to 366,623,615.62, 505,950,178.27 and 199,369,658.90

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Solution

The fourth proportional to 366,623,615.62, 505,950,178.27 and 199,369,658.90 is: 275,135,343.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,623,615.62 : 505,950,178.27 = 199,369,658.90 : x
  2. Step 2: Convert to fraction form
    366,623,615.62/505,950,178.27 = 199,369,658.90/x
  3. Step 3: Cross multiply
    366,623,615.62x = 505,950,178.27 × 199,369,658.90
  4. Step 4: Simplify right side
    366,623,615.62x = 100,871,114,462,850,544
  5. Step 5: Solve for x
    x = 100,871,114,462,850,544/366,623,615.62
  6. Step 6: Final answer
    x = 275,135,343.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.