Home / 329,584,879.58-455,204,617.59-217,057,395.48

Finding the Fourth Proportional to 329,584,879.58, 455,204,617.59 and 217,057,395.48

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Solution

The fourth proportional to 329,584,879.58, 455,204,617.59 and 217,057,395.48 is: 299,787,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,584,879.58 : 455,204,617.59 = 217,057,395.48 : x
  2. Step 2: Convert to fraction form
    329,584,879.58/455,204,617.59 = 217,057,395.48/x
  3. Step 3: Cross multiply
    329,584,879.58x = 455,204,617.59 × 217,057,395.48
  4. Step 4: Simplify right side
    329,584,879.58x = 98,805,528,706,224,544
  5. Step 5: Solve for x
    x = 98,805,528,706,224,544/329,584,879.58
  6. Step 6: Final answer
    x = 299,787,808.32

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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.