Home / 365,590,616.72-504,515,051.10-208,961,086.73

Finding the Fourth Proportional to 365,590,616.72, 504,515,051.10 and 208,961,086.73

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Solution

The fourth proportional to 365,590,616.72, 504,515,051.10 and 208,961,086.73 is: 288,366,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,590,616.72 : 504,515,051.10 = 208,961,086.73 : x
  2. Step 2: Convert to fraction form
    365,590,616.72/504,515,051.10 = 208,961,086.73/x
  3. Step 3: Cross multiply
    365,590,616.72x = 504,515,051.10 × 208,961,086.73
  4. Step 4: Simplify right side
    365,590,616.72x = 105,424,013,346,974,912
  5. Step 5: Solve for x
    x = 105,424,013,346,974,912/365,590,616.72
  6. Step 6: Final answer
    x = 288,366,299.70

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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.