Home / 411,362,997.18-567,691,339.23-225,723,963.66

Finding the Fourth Proportional to 411,362,997.18, 567,691,339.23 and 225,723,963.66

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Solution

The fourth proportional to 411,362,997.18, 567,691,339.23 and 225,723,963.66 is: 311,504,778.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,362,997.18 : 567,691,339.23 = 225,723,963.66 : x
  2. Step 2: Convert to fraction form
    411,362,997.18/567,691,339.23 = 225,723,963.66/x
  3. Step 3: Cross multiply
    411,362,997.18x = 567,691,339.23 × 225,723,963.66
  4. Step 4: Simplify right side
    411,362,997.18x = 128,141,539,226,449,248
  5. Step 5: Solve for x
    x = 128,141,539,226,449,248/411,362,997.18
  6. Step 6: Final answer
    x = 311,504,778.27

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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.