Home / 304,313,849.07-419,736,620.18-279,276,808.85

Finding the Fourth Proportional to 304,313,849.07, 419,736,620.18 and 279,276,808.85

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Solution

The fourth proportional to 304,313,849.07, 419,736,620.18 and 279,276,808.85 is: 385,203,316.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,313,849.07 : 419,736,620.18 = 279,276,808.85 : x
  2. Step 2: Convert to fraction form
    304,313,849.07/419,736,620.18 = 279,276,808.85/x
  3. Step 3: Cross multiply
    304,313,849.07x = 419,736,620.18 × 279,276,808.85
  4. Step 4: Simplify right side
    304,313,849.07x = 117,222,703,837,859,856
  5. Step 5: Solve for x
    x = 117,222,703,837,859,856/304,313,849.07
  6. Step 6: Final answer
    x = 385,203,316.23

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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.