Home / 1,192,581,738.63-1,789,689,739.82-416,227,399.16

Finding the Fourth Proportional to 1,192,581,738.63, 1,789,689,739.82 and 416,227,399.16

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Solution

The fourth proportional to 1,192,581,738.63, 1,789,689,739.82 and 416,227,399.16 is: 624,626,288.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,581,738.63 : 1,789,689,739.82 = 416,227,399.16 : x
  2. Step 2: Convert to fraction form
    1,192,581,738.63/1,789,689,739.82 = 416,227,399.16/x
  3. Step 3: Cross multiply
    1,192,581,738.63x = 1,789,689,739.82 × 416,227,399.16
  4. Step 4: Simplify right side
    1,192,581,738.63x = 744,917,905,697,586,048
  5. Step 5: Solve for x
    x = 744,917,905,697,586,048/1,192,581,738.63
  6. Step 6: Final answer
    x = 624,626,288.97

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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.