Home / 655,114,460.73-982,680,378.96-218,415,284.88

Finding the Fourth Proportional to 655,114,460.73, 982,680,378.96 and 218,415,284.88

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Solution

The fourth proportional to 655,114,460.73, 982,680,378.96 and 218,415,284.88 is: 327,625,823.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,114,460.73 : 982,680,378.96 = 218,415,284.88 : x
  2. Step 2: Convert to fraction form
    655,114,460.73/982,680,378.96 = 218,415,284.88/x
  3. Step 3: Cross multiply
    655,114,460.73x = 982,680,378.96 × 218,415,284.88
  4. Step 4: Simplify right side
    655,114,460.73x = 214,632,414,916,534,752
  5. Step 5: Solve for x
    x = 214,632,414,916,534,752/655,114,460.73
  6. Step 6: Final answer
    x = 327,625,823.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.