Home / 404,887,937.63-558,745,217.78-219,248,953.34

Finding the Fourth Proportional to 404,887,937.63, 558,745,217.78 and 219,248,953.34

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Solution

The fourth proportional to 404,887,937.63, 558,745,217.78 and 219,248,953.34 is: 302,563,481.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,887,937.63 : 558,745,217.78 = 219,248,953.34 : x
  2. Step 2: Convert to fraction form
    404,887,937.63/558,745,217.78 = 219,248,953.34/x
  3. Step 3: Cross multiply
    404,887,937.63x = 558,745,217.78 × 219,248,953.34
  4. Step 4: Simplify right side
    404,887,937.63x = 122,504,304,178,105,392
  5. Step 5: Solve for x
    x = 122,504,304,178,105,392/404,887,937.63
  6. Step 6: Final answer
    x = 302,563,481.88

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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.