Home / 414,661,788.23-621,995,007.56-138,312,243.77

Finding the Fourth Proportional to 414,661,788.23, 621,995,007.56 and 138,312,243.77

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Solution

The fourth proportional to 414,661,788.23, 621,995,007.56 and 138,312,243.77 is: 207,469,141.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,661,788.23 : 621,995,007.56 = 138,312,243.77 : x
  2. Step 2: Convert to fraction form
    414,661,788.23/621,995,007.56 = 138,312,243.77/x
  3. Step 3: Cross multiply
    414,661,788.23x = 621,995,007.56 × 138,312,243.77
  4. Step 4: Simplify right side
    414,661,788.23x = 86,029,525,112,482,784
  5. Step 5: Solve for x
    x = 86,029,525,112,482,784/414,661,788.23
  6. Step 6: Final answer
    x = 207,469,141.25

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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.