Home / 404,887,917.13-558,745,189.47-219,248,932.82

Finding the Fourth Proportional to 404,887,917.13, 558,745,189.47 and 219,248,932.82

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Solution

The fourth proportional to 404,887,917.13, 558,745,189.47 and 219,248,932.82 is: 302,563,453.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,887,917.13 : 558,745,189.47 = 219,248,932.82 : x
  2. Step 2: Convert to fraction form
    404,887,917.13/558,745,189.47 = 219,248,932.82/x
  3. Step 3: Cross multiply
    404,887,917.13x = 558,745,189.47 × 219,248,932.82
  4. Step 4: Simplify right side
    404,887,917.13x = 122,504,286,506,812,480
  5. Step 5: Solve for x
    x = 122,504,286,506,812,480/404,887,917.13
  6. Step 6: Final answer
    x = 302,563,453.55

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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.