Home / 392,499,755.68-541,675,088.16-225,243,066.78

Finding the Fourth Proportional to 392,499,755.68, 541,675,088.16 and 225,243,066.78

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Solution

The fourth proportional to 392,499,755.68, 541,675,088.16 and 225,243,066.78 is: 310,850,022.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,499,755.68 : 541,675,088.16 = 225,243,066.78 : x
  2. Step 2: Convert to fraction form
    392,499,755.68/541,675,088.16 = 225,243,066.78/x
  3. Step 3: Cross multiply
    392,499,755.68x = 541,675,088.16 × 225,243,066.78
  4. Step 4: Simplify right side
    392,499,755.68x = 122,008,558,055,485,264
  5. Step 5: Solve for x
    x = 122,008,558,055,485,264/392,499,755.68
  6. Step 6: Final answer
    x = 310,850,022.94

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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.