Home / 481,071,667.92-663,878,901.60-261,055,093.92

Finding the Fourth Proportional to 481,071,667.92, 663,878,901.60 and 261,055,093.92

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Solution

The fourth proportional to 481,071,667.92, 663,878,901.60 and 261,055,093.92 is: 360,256,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,071,667.92 : 663,878,901.60 = 261,055,093.92 : x
  2. Step 2: Convert to fraction form
    481,071,667.92/663,878,901.60 = 261,055,093.92/x
  3. Step 3: Cross multiply
    481,071,667.92x = 663,878,901.60 × 261,055,093.92
  4. Step 4: Simplify right side
    481,071,667.92x = 173,308,969,008,694,432
  5. Step 5: Solve for x
    x = 173,308,969,008,694,432/481,071,667.92
  6. Step 6: Final answer
    x = 360,256,029.54

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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.