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Finding the Fourth Proportional to 605,694,509.16, 908,541,660.06 and 191,462,115.88

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Solution

The fourth proportional to 605,694,509.16, 908,541,660.06 and 191,462,115.88 is: 287,193,141.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,694,509.16 : 908,541,660.06 = 191,462,115.88 : x
  2. Step 2: Convert to fraction form
    605,694,509.16/908,541,660.06 = 191,462,115.88/x
  3. Step 3: Cross multiply
    605,694,509.16x = 908,541,660.06 × 191,462,115.88
  4. Step 4: Simplify right side
    605,694,509.16x = 173,951,308,600,215,264
  5. Step 5: Solve for x
    x = 173,951,308,600,215,264/605,694,509.16
  6. Step 6: Final answer
    x = 287,193,141.05

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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.