Home / 305,043,219.78-415,327,987.32-304,074,668.55

Finding the Fourth Proportional to 305,043,219.78, 415,327,987.32 and 304,074,668.55

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Solution

The fourth proportional to 305,043,219.78, 415,327,987.32 and 304,074,668.55 is: 414,009,267.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,043,219.78 : 415,327,987.32 = 304,074,668.55 : x
  2. Step 2: Convert to fraction form
    305,043,219.78/415,327,987.32 = 304,074,668.55/x
  3. Step 3: Cross multiply
    305,043,219.78x = 415,327,987.32 × 304,074,668.55
  4. Step 4: Simplify right side
    305,043,219.78x = 126,290,720,084,277,616
  5. Step 5: Solve for x
    x = 126,290,720,084,277,616/305,043,219.78
  6. Step 6: Final answer
    x = 414,009,267.86

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.