Home / 365,590,616.76-504,515,051.18-208,961,086.78

Finding the Fourth Proportional to 365,590,616.76, 504,515,051.18 and 208,961,086.78

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Solution

The fourth proportional to 365,590,616.76, 504,515,051.18 and 208,961,086.78 is: 288,366,299.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,590,616.76 : 504,515,051.18 = 208,961,086.78 : x
  2. Step 2: Convert to fraction form
    365,590,616.76/504,515,051.18 = 208,961,086.78/x
  3. Step 3: Cross multiply
    365,590,616.76x = 504,515,051.18 × 208,961,086.78
  4. Step 4: Simplify right side
    365,590,616.76x = 105,424,013,391,440,128
  5. Step 5: Solve for x
    x = 105,424,013,391,440,128/365,590,616.76
  6. Step 6: Final answer
    x = 288,366,299.79

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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.