Home / 404,604,389.57-558,354,050.82-218,965,405.28

Finding the Fourth Proportional to 404,604,389.57, 558,354,050.82 and 218,965,405.28

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Solution

The fourth proportional to 404,604,389.57, 558,354,050.82 and 218,965,405.28 is: 302,172,255.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,604,389.57 : 558,354,050.82 = 218,965,405.28 : x
  2. Step 2: Convert to fraction form
    404,604,389.57/558,354,050.82 = 218,965,405.28/x
  3. Step 3: Cross multiply
    404,604,389.57x = 558,354,050.82 × 218,965,405.28
  4. Step 4: Simplify right side
    404,604,389.57x = 122,260,221,024,739,264
  5. Step 5: Solve for x
    x = 122,260,221,024,739,264/404,604,389.57
  6. Step 6: Final answer
    x = 302,172,255.61

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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.