Home / 605,029,708.36-835,327,183.53-493,786,313.11

Finding the Fourth Proportional to 605,029,708.36, 835,327,183.53 and 493,786,313.11

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Solution

The fourth proportional to 605,029,708.36, 835,327,183.53 and 493,786,313.11 is: 681,740,292.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,029,708.36 : 835,327,183.53 = 493,786,313.11 : x
  2. Step 2: Convert to fraction form
    605,029,708.36/835,327,183.53 = 493,786,313.11/x
  3. Step 3: Cross multiply
    605,029,708.36x = 835,327,183.53 × 493,786,313.11
  4. Step 4: Simplify right side
    605,029,708.36x = 412,473,130,195,839,040
  5. Step 5: Solve for x
    x = 412,473,130,195,839,040/605,029,708.36
  6. Step 6: Final answer
    x = 681,740,292.25

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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.