Home / 693,632,428.23-1,040,396,312.73-220,912,369.00

Finding the Fourth Proportional to 693,632,428.23, 1,040,396,312.73 and 220,912,369.00

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Solution

The fourth proportional to 693,632,428.23, 1,040,396,312.73 and 220,912,369.00 is: 331,351,887.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,632,428.23 : 1,040,396,312.73 = 220,912,369.00 : x
  2. Step 2: Convert to fraction form
    693,632,428.23/1,040,396,312.73 = 220,912,369.00/x
  3. Step 3: Cross multiply
    693,632,428.23x = 1,040,396,312.73 × 220,912,369.00
  4. Step 4: Simplify right side
    693,632,428.23x = 229,836,414,141,448,160
  5. Step 5: Solve for x
    x = 229,836,414,141,448,160/693,632,428.23
  6. Step 6: Final answer
    x = 331,351,887.24

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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.