Home / 605,823,883.12-906,871,997.79-395,281,218.85

Finding the Fourth Proportional to 605,823,883.12, 906,871,997.79 and 395,281,218.85

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Solution

The fourth proportional to 605,823,883.12, 906,871,997.79 and 395,281,218.85 is: 591,705,739.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,823,883.12 : 906,871,997.79 = 395,281,218.85 : x
  2. Step 2: Convert to fraction form
    605,823,883.12/906,871,997.79 = 395,281,218.85/x
  3. Step 3: Cross multiply
    605,823,883.12x = 906,871,997.79 × 395,281,218.85
  4. Step 4: Simplify right side
    605,823,883.12x = 358,469,468,625,098,560
  5. Step 5: Solve for x
    x = 358,469,468,625,098,560/605,823,883.12
  6. Step 6: Final answer
    x = 591,705,739.26

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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.