Home / 403,691,238.03-557,094,131.96-218,052,253.72

Finding the Fourth Proportional to 403,691,238.03, 557,094,131.96 and 218,052,253.72

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Solution

The fourth proportional to 403,691,238.03, 557,094,131.96 and 218,052,253.72 is: 300,912,230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,691,238.03 : 557,094,131.96 = 218,052,253.72 : x
  2. Step 2: Convert to fraction form
    403,691,238.03/557,094,131.96 = 218,052,253.72/x
  3. Step 3: Cross multiply
    403,691,238.03x = 557,094,131.96 × 218,052,253.72
  4. Step 4: Simplify right side
    403,691,238.03x = 121,475,631,008,065,088
  5. Step 5: Solve for x
    x = 121,475,631,008,065,088/403,691,238.03
  6. Step 6: Final answer
    x = 300,912,230.84

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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.