Home / 293,419,905.10-440,129,857.65-191,383,233.10

Finding the Fourth Proportional to 293,419,905.10, 440,129,857.65 and 191,383,233.10

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Solution

The fourth proportional to 293,419,905.10, 440,129,857.65 and 191,383,233.10 is: 287,074,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,419,905.10 : 440,129,857.65 = 191,383,233.10 : x
  2. Step 2: Convert to fraction form
    293,419,905.10/440,129,857.65 = 191,383,233.10/x
  3. Step 3: Cross multiply
    293,419,905.10x = 440,129,857.65 × 191,383,233.10
  4. Step 4: Simplify right side
    293,419,905.10x = 84,233,475,140,899,760
  5. Step 5: Solve for x
    x = 84,233,475,140,899,760/293,419,905.10
  6. Step 6: Final answer
    x = 287,074,849.65

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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.