Home / 358,380,204.73-494,589,539.03-217,257,373.46

Finding the Fourth Proportional to 358,380,204.73, 494,589,539.03 and 217,257,373.46

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Solution

The fourth proportional to 358,380,204.73, 494,589,539.03 and 217,257,373.46 is: 299,830,243.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,380,204.73 : 494,589,539.03 = 217,257,373.46 : x
  2. Step 2: Convert to fraction form
    358,380,204.73/494,589,539.03 = 217,257,373.46/x
  3. Step 3: Cross multiply
    358,380,204.73x = 494,589,539.03 × 217,257,373.46
  4. Step 4: Simplify right side
    358,380,204.73x = 107,453,224,190,449,952
  5. Step 5: Solve for x
    x = 107,453,224,190,449,952/358,380,204.73
  6. Step 6: Final answer
    x = 299,830,243.89

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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.