Home / 304,313,849.57-419,736,620.87-279,276,809.35

Finding the Fourth Proportional to 304,313,849.57, 419,736,620.87 and 279,276,809.35

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Solution

The fourth proportional to 304,313,849.57, 419,736,620.87 and 279,276,809.35 is: 385,203,316.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,313,849.57 : 419,736,620.87 = 279,276,809.35 : x
  2. Step 2: Convert to fraction form
    304,313,849.57/419,736,620.87 = 279,276,809.35/x
  3. Step 3: Cross multiply
    304,313,849.57x = 419,736,620.87 × 279,276,809.35
  4. Step 4: Simplify right side
    304,313,849.57x = 117,222,704,243,924,240
  5. Step 5: Solve for x
    x = 117,222,704,243,924,240/304,313,849.57
  6. Step 6: Final answer
    x = 385,203,316.94

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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.