Home / 404,755,987.85-558,563,450.11-219,117,003.54

Finding the Fourth Proportional to 404,755,987.85, 558,563,450.11 and 219,117,003.54

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Solution

The fourth proportional to 404,755,987.85, 558,563,450.11 and 219,117,003.54 is: 302,381,566.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,755,987.85 : 558,563,450.11 = 219,117,003.54 : x
  2. Step 2: Convert to fraction form
    404,755,987.85/558,563,450.11 = 219,117,003.54/x
  3. Step 3: Cross multiply
    404,755,987.85x = 558,563,450.11 × 219,117,003.54
  4. Step 4: Simplify right side
    404,755,987.85x = 122,390,749,474,291,296
  5. Step 5: Solve for x
    x = 122,390,749,474,291,296/404,755,987.85
  6. Step 6: Final answer
    x = 302,381,566.05

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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.