Home / 644,707,190.16-889,690,574.19-362,450,889.12

Finding the Fourth Proportional to 644,707,190.16, 889,690,574.19 and 362,450,889.12

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Solution

The fourth proportional to 644,707,190.16, 889,690,574.19 and 362,450,889.12 is: 500,179,220.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,707,190.16 : 889,690,574.19 = 362,450,889.12 : x
  2. Step 2: Convert to fraction form
    644,707,190.16/889,690,574.19 = 362,450,889.12/x
  3. Step 3: Cross multiply
    644,707,190.16x = 889,690,574.19 × 362,450,889.12
  4. Step 4: Simplify right side
    644,707,190.16x = 322,469,139,661,544,320
  5. Step 5: Solve for x
    x = 322,469,139,661,544,320/644,707,190.16
  6. Step 6: Final answer
    x = 500,179,220.25

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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.