Home / 392,476,668.67-541,629,356.07-216,276,014.26

Finding the Fourth Proportional to 392,476,668.67, 541,629,356.07 and 216,276,014.26

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Solution

The fourth proportional to 392,476,668.67, 541,629,356.07 and 216,276,014.26 is: 298,467,266.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,476,668.67 : 541,629,356.07 = 216,276,014.26 : x
  2. Step 2: Convert to fraction form
    392,476,668.67/541,629,356.07 = 216,276,014.26/x
  3. Step 3: Cross multiply
    392,476,668.67x = 541,629,356.07 × 216,276,014.26
  4. Step 4: Simplify right side
    392,476,668.67x = 117,141,438,337,029,936
  5. Step 5: Solve for x
    x = 117,141,438,337,029,936/392,476,668.67
  6. Step 6: Final answer
    x = 298,467,266.18

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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.