Home / 404,604,392.12-558,354,054.36-218,965,407.82

Finding the Fourth Proportional to 404,604,392.12, 558,354,054.36 and 218,965,407.82

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Solution

The fourth proportional to 404,604,392.12, 558,354,054.36 and 218,965,407.82 is: 302,172,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,604,392.12 : 558,354,054.36 = 218,965,407.82 : x
  2. Step 2: Convert to fraction form
    404,604,392.12/558,354,054.36 = 218,965,407.82/x
  3. Step 3: Cross multiply
    404,604,392.12x = 558,354,054.36 × 218,965,407.82
  4. Step 4: Simplify right side
    404,604,392.12x = 122,260,223,220,887,856
  5. Step 5: Solve for x
    x = 122,260,223,220,887,856/404,604,392.12
  6. Step 6: Final answer
    x = 302,172,259.13

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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.