Home / 505,941,731.44-698,218,655.48-282,922,910.21

Finding the Fourth Proportional to 505,941,731.44, 698,218,655.48 and 282,922,910.21

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Solution

The fourth proportional to 505,941,731.44, 698,218,655.48 and 282,922,910.21 is: 390,444,277.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,941,731.44 : 698,218,655.48 = 282,922,910.21 : x
  2. Step 2: Convert to fraction form
    505,941,731.44/698,218,655.48 = 282,922,910.21/x
  3. Step 3: Cross multiply
    505,941,731.44x = 698,218,655.48 × 282,922,910.21
  4. Step 4: Simplify right side
    505,941,731.44x = 197,542,053,969,951,168
  5. Step 5: Solve for x
    x = 197,542,053,969,951,168/505,941,731.44
  6. Step 6: Final answer
    x = 390,444,277.86

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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.