Home / 392,252,881.54-541,333,560.09-216,040,841.86

Finding the Fourth Proportional to 392,252,881.54, 541,333,560.09 and 216,040,841.86

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Solution

The fourth proportional to 392,252,881.54, 541,333,560.09 and 216,040,841.86 is: 298,149,901.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,252,881.54 : 541,333,560.09 = 216,040,841.86 : x
  2. Step 2: Convert to fraction form
    392,252,881.54/541,333,560.09 = 216,040,841.86/x
  3. Step 3: Cross multiply
    392,252,881.54x = 541,333,560.09 × 216,040,841.86
  4. Step 4: Simplify right side
    392,252,881.54x = 116,950,158,048,914,512
  5. Step 5: Solve for x
    x = 116,950,158,048,914,512/392,252,881.54
  6. Step 6: Final answer
    x = 298,149,901.64

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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.