Home / 603,633,028.16-905,448,412.12-189,141,580.72

Finding the Fourth Proportional to 603,633,028.16, 905,448,412.12 and 189,141,580.72

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Solution

The fourth proportional to 603,633,028.16, 905,448,412.12 and 189,141,580.72 is: 283,712,016.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,633,028.16 : 905,448,412.12 = 189,141,580.72 : x
  2. Step 2: Convert to fraction form
    603,633,028.16/905,448,412.12 = 189,141,580.72/x
  3. Step 3: Cross multiply
    603,633,028.16x = 905,448,412.12 × 189,141,580.72
  4. Step 4: Simplify right side
    603,633,028.16x = 171,257,943,928,790,816
  5. Step 5: Solve for x
    x = 171,257,943,928,790,816/603,633,028.16
  6. Step 6: Final answer
    x = 283,712,016.97

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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.