Home / 392,499,750.17-541,675,080.58-225,243,061.29

Finding the Fourth Proportional to 392,499,750.17, 541,675,080.58 and 225,243,061.29

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Solution

The fourth proportional to 392,499,750.17, 541,675,080.58 and 225,243,061.29 is: 310,850,015.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,499,750.17 : 541,675,080.58 = 225,243,061.29 : x
  2. Step 2: Convert to fraction form
    392,499,750.17/541,675,080.58 = 225,243,061.29/x
  3. Step 3: Cross multiply
    392,499,750.17x = 541,675,080.58 × 225,243,061.29
  4. Step 4: Simplify right side
    392,499,750.17x = 122,008,553,374,346,640
  5. Step 5: Solve for x
    x = 122,008,553,374,346,640/392,499,750.17
  6. Step 6: Final answer
    x = 310,850,015.37

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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.