Home / 404,887,939.13-558,745,219.85-219,248,954.84

Finding the Fourth Proportional to 404,887,939.13, 558,745,219.85 and 219,248,954.84

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Solution

The fourth proportional to 404,887,939.13, 558,745,219.85 and 219,248,954.84 is: 302,563,483.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,887,939.13 : 558,745,219.85 = 219,248,954.84 : x
  2. Step 2: Convert to fraction form
    404,887,939.13/558,745,219.85 = 219,248,954.84/x
  3. Step 3: Cross multiply
    404,887,939.13x = 558,745,219.85 × 219,248,954.84
  4. Step 4: Simplify right side
    404,887,939.13x = 122,504,305,470,068,560
  5. Step 5: Solve for x
    x = 122,504,305,470,068,560/404,887,939.13
  6. Step 6: Final answer
    x = 302,563,483.95

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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.