Home / 404,604,385.91-558,354,045.77-218,965,401.60

Finding the Fourth Proportional to 404,604,385.91, 558,354,045.77 and 218,965,401.60

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Solution

The fourth proportional to 404,604,385.91, 558,354,045.77 and 218,965,401.60 is: 302,172,250.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,604,385.91 : 558,354,045.77 = 218,965,401.60 : x
  2. Step 2: Convert to fraction form
    404,604,385.91/558,354,045.77 = 218,965,401.60/x
  3. Step 3: Cross multiply
    404,604,385.91x = 558,354,045.77 × 218,965,401.60
  4. Step 4: Simplify right side
    404,604,385.91x = 122,260,217,865,875,872
  5. Step 5: Solve for x
    x = 122,260,217,865,875,872/404,604,385.91
  6. Step 6: Final answer
    x = 302,172,250.53

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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.