Home / 309,546,377.84-463,809,380.04-179,789,743.28

Finding the Fourth Proportional to 309,546,377.84, 463,809,380.04 and 179,789,743.28

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Solution

The fourth proportional to 309,546,377.84, 463,809,380.04 and 179,789,743.28 is: 269,388,289.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,546,377.84 : 463,809,380.04 = 179,789,743.28 : x
  2. Step 2: Convert to fraction form
    309,546,377.84/463,809,380.04 = 179,789,743.28/x
  3. Step 3: Cross multiply
    309,546,377.84x = 463,809,380.04 × 179,789,743.28
  4. Step 4: Simplify right side
    309,546,377.84x = 83,388,169,368,247,568
  5. Step 5: Solve for x
    x = 83,388,169,368,247,568/309,546,377.84
  6. Step 6: Final answer
    x = 269,388,289.89

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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.