Home / 823,741,203.40-1,235,592,912.30-414,687,507.40

Finding the Fourth Proportional to 823,741,203.40, 1,235,592,912.30 and 414,687,507.40

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Solution

The fourth proportional to 823,741,203.40, 1,235,592,912.30 and 414,687,507.40 is: 622,021,750.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,741,203.40 : 1,235,592,912.30 = 414,687,507.40 : x
  2. Step 2: Convert to fraction form
    823,741,203.40/1,235,592,912.30 = 414,687,507.40/x
  3. Step 3: Cross multiply
    823,741,203.40x = 1,235,592,912.30 × 414,687,507.40
  4. Step 4: Simplify right side
    823,741,203.40x = 512,384,944,962,793,728
  5. Step 5: Solve for x
    x = 512,384,944,962,793,728/823,741,203.40
  6. Step 6: Final answer
    x = 622,021,750.09

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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.