Home / 291,081,372.66-401,873,578.20-185,294,476.80

Finding the Fourth Proportional to 291,081,372.66, 401,873,578.20 and 185,294,476.80

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Solution

The fourth proportional to 291,081,372.66, 401,873,578.20 and 185,294,476.80 is: 255,821,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,081,372.66 : 401,873,578.20 = 185,294,476.80 : x
  2. Step 2: Convert to fraction form
    291,081,372.66/401,873,578.20 = 185,294,476.80/x
  3. Step 3: Cross multiply
    291,081,372.66x = 401,873,578.20 × 185,294,476.80
  4. Step 4: Simplify right side
    291,081,372.66x = 74,464,954,412,312,896
  5. Step 5: Solve for x
    x = 74,464,954,412,312,896/291,081,372.66
  6. Step 6: Final answer
    x = 255,821,778.40

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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.