Home / 414,658,728-622,090,394.64-123,524,719.20

Finding the Fourth Proportional to 414,658,728, 622,090,394.64 and 123,524,719.20

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Solution

The fourth proportional to 414,658,728, 622,090,394.64 and 123,524,719.20 is: 185,317,554.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,658,728 : 622,090,394.64 = 123,524,719.20 : x
  2. Step 2: Convert to fraction form
    414,658,728/622,090,394.64 = 123,524,719.20/x
  3. Step 3: Cross multiply
    414,658,728x = 622,090,394.64 × 123,524,719.20
  4. Step 4: Simplify right side
    414,658,728x = 76,843,541,314,923,184
  5. Step 5: Solve for x
    x = 76,843,541,314,923,184/414,658,728
  6. Step 6: Final answer
    x = 185,317,554.23

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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.