Home / 638,040,223.08-957,067,955.10-177,950,399.40

Finding the Fourth Proportional to 638,040,223.08, 957,067,955.10 and 177,950,399.40

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Solution

The fourth proportional to 638,040,223.08, 957,067,955.10 and 177,950,399.40 is: 266,927,724.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,040,223.08 : 957,067,955.10 = 177,950,399.40 : x
  2. Step 2: Convert to fraction form
    638,040,223.08/957,067,955.10 = 177,950,399.40/x
  3. Step 3: Cross multiply
    638,040,223.08x = 957,067,955.10 × 177,950,399.40
  4. Step 4: Simplify right side
    638,040,223.08x = 170,310,624,862,986,272
  5. Step 5: Solve for x
    x = 170,310,624,862,986,272/638,040,223.08
  6. Step 6: Final answer
    x = 266,927,724.46

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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.