Home / 411,843,128.96-568,378,568.36-233,258,783.92

Finding the Fourth Proportional to 411,843,128.96, 568,378,568.36 and 233,258,783.92

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Solution

The fourth proportional to 411,843,128.96, 568,378,568.36 and 233,258,783.92 is: 321,916,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,843,128.96 : 568,378,568.36 = 233,258,783.92 : x
  2. Step 2: Convert to fraction form
    411,843,128.96/568,378,568.36 = 233,258,783.92/x
  3. Step 3: Cross multiply
    411,843,128.96x = 568,378,568.36 × 233,258,783.92
  4. Step 4: Simplify right side
    411,843,128.96x = 132,579,293,661,844,192
  5. Step 5: Solve for x
    x = 132,579,293,661,844,192/411,843,128.96
  6. Step 6: Final answer
    x = 321,916,973.57

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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.