Home / 392,476,666.17-541,629,352.62-216,276,011.76

Finding the Fourth Proportional to 392,476,666.17, 541,629,352.62 and 216,276,011.76

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Solution

The fourth proportional to 392,476,666.17, 541,629,352.62 and 216,276,011.76 is: 298,467,262.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,476,666.17 : 541,629,352.62 = 216,276,011.76 : x
  2. Step 2: Convert to fraction form
    392,476,666.17/541,629,352.62 = 216,276,011.76/x
  3. Step 3: Cross multiply
    392,476,666.17x = 541,629,352.62 × 216,276,011.76
  4. Step 4: Simplify right side
    392,476,666.17x = 117,141,436,236,804,304
  5. Step 5: Solve for x
    x = 117,141,436,236,804,304/392,476,666.17
  6. Step 6: Final answer
    x = 298,467,262.73

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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.