Home / 404,604,390.13-558,354,051.60-218,965,405.82

Finding the Fourth Proportional to 404,604,390.13, 558,354,051.60 and 218,965,405.82

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Solution

The fourth proportional to 404,604,390.13, 558,354,051.60 and 218,965,405.82 is: 302,172,256.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,604,390.13 : 558,354,051.60 = 218,965,405.82 : x
  2. Step 2: Convert to fraction form
    404,604,390.13/558,354,051.60 = 218,965,405.82/x
  3. Step 3: Cross multiply
    404,604,390.13x = 558,354,051.60 × 218,965,405.82
  4. Step 4: Simplify right side
    404,604,390.13x = 122,260,221,496,220,144
  5. Step 5: Solve for x
    x = 122,260,221,496,220,144/404,604,390.13
  6. Step 6: Final answer
    x = 302,172,256.36

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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.