Home / 365,429,998.80-548,144,998.20-279,336,556.80

Finding the Fourth Proportional to 365,429,998.80, 548,144,998.20 and 279,336,556.80

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Solution

The fourth proportional to 365,429,998.80, 548,144,998.20 and 279,336,556.80 is: 419,004,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,429,998.80 : 548,144,998.20 = 279,336,556.80 : x
  2. Step 2: Convert to fraction form
    365,429,998.80/548,144,998.20 = 279,336,556.80/x
  3. Step 3: Cross multiply
    365,429,998.80x = 548,144,998.20 × 279,336,556.80
  4. Step 4: Simplify right side
    365,429,998.80x = 153,116,936,424,330,208
  5. Step 5: Solve for x
    x = 153,116,936,424,330,208/365,429,998.80
  6. Step 6: Final answer
    x = 419,004,835.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.