Home / 733,189,288.82-1,011,794,192.73-398,661,933.87

Finding the Fourth Proportional to 733,189,288.82, 1,011,794,192.73 and 398,661,933.87

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Solution

The fourth proportional to 733,189,288.82, 1,011,794,192.73 and 398,661,933.87 is: 550,149,648.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,189,288.82 : 1,011,794,192.73 = 398,661,933.87 : x
  2. Step 2: Convert to fraction form
    733,189,288.82/1,011,794,192.73 = 398,661,933.87/x
  3. Step 3: Cross multiply
    733,189,288.82x = 1,011,794,192.73 × 398,661,933.87
  4. Step 4: Simplify right side
    733,189,288.82x = 403,363,829,552,177,280
  5. Step 5: Solve for x
    x = 403,363,829,552,177,280/733,189,288.82
  6. Step 6: Final answer
    x = 550,149,648.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.