Home / 1,587,057,584.64-2,380,542,370.56-422,536,066.56

Finding the Fourth Proportional to 1,587,057,584.64, 2,380,542,370.56 and 422,536,066.56

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Solution

The fourth proportional to 1,587,057,584.64, 2,380,542,370.56 and 422,536,066.56 is: 633,792,383.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,057,584.64 : 2,380,542,370.56 = 422,536,066.56 : x
  2. Step 2: Convert to fraction form
    1,587,057,584.64/2,380,542,370.56 = 422,536,066.56/x
  3. Step 3: Cross multiply
    1,587,057,584.64x = 2,380,542,370.56 × 422,536,066.56
  4. Step 4: Simplify right side
    1,587,057,584.64x = 1,005,865,009,535,840,384
  5. Step 5: Solve for x
    x = 1,005,865,009,535,840,384/1,587,057,584.64
  6. Step 6: Final answer
    x = 633,792,383.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.