Home / 365,590,617.72-504,515,052.48-208,961,087.73

Finding the Fourth Proportional to 365,590,617.72, 504,515,052.48 and 208,961,087.73

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Solution

The fourth proportional to 365,590,617.72, 504,515,052.48 and 208,961,087.73 is: 288,366,301.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,590,617.72 : 504,515,052.48 = 208,961,087.73 : x
  2. Step 2: Convert to fraction form
    365,590,617.72/504,515,052.48 = 208,961,087.73/x
  3. Step 3: Cross multiply
    365,590,617.72x = 504,515,052.48 × 208,961,087.73
  4. Step 4: Simplify right side
    365,590,617.72x = 105,424,014,142,378,832
  5. Step 5: Solve for x
    x = 105,424,014,142,378,832/365,590,617.72
  6. Step 6: Final answer
    x = 288,366,301.08

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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.