Home / 496,409,642.71-685,036,949.29-273,412,090.51

Finding the Fourth Proportional to 496,409,642.71, 685,036,949.29 and 273,412,090.51

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Solution

The fourth proportional to 496,409,642.71, 685,036,949.29 and 273,412,090.51 is: 377,304,081.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,409,642.71 : 685,036,949.29 = 273,412,090.51 : x
  2. Step 2: Convert to fraction form
    496,409,642.71/685,036,949.29 = 273,412,090.51/x
  3. Step 3: Cross multiply
    496,409,642.71x = 685,036,949.29 × 273,412,090.51
  4. Step 4: Simplify right side
    496,409,642.71x = 187,297,384,381,971,744
  5. Step 5: Solve for x
    x = 187,297,384,381,971,744/496,409,642.71
  6. Step 6: Final answer
    x = 377,304,081.68

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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.