Home / 345,356,778.54-476,640,965.79-219,868,889.34

Finding the Fourth Proportional to 345,356,778.54, 476,640,965.79 and 219,868,889.34

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Solution

The fourth proportional to 345,356,778.54, 476,640,965.79 and 219,868,889.34 is: 303,450,015.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,356,778.54 : 476,640,965.79 = 219,868,889.34 : x
  2. Step 2: Convert to fraction form
    345,356,778.54/476,640,965.79 = 219,868,889.34/x
  3. Step 3: Cross multiply
    345,356,778.54x = 476,640,965.79 × 219,868,889.34
  4. Step 4: Simplify right side
    345,356,778.54x = 104,798,519,762,192,240
  5. Step 5: Solve for x
    x = 104,798,519,762,192,240/345,356,778.54
  6. Step 6: Final answer
    x = 303,450,015.39

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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.