Home / 638,040,225.45-957,067,958.68-177,950,401.77

Finding the Fourth Proportional to 638,040,225.45, 957,067,958.68 and 177,950,401.77

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Solution

The fourth proportional to 638,040,225.45, 957,067,958.68 and 177,950,401.77 is: 266,927,728.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,040,225.45 : 957,067,958.68 = 177,950,401.77 : x
  2. Step 2: Convert to fraction form
    638,040,225.45/957,067,958.68 = 177,950,401.77/x
  3. Step 3: Cross multiply
    638,040,225.45x = 957,067,958.68 × 177,950,401.77
  4. Step 4: Simplify right side
    638,040,225.45x = 170,310,627,771,443,904
  5. Step 5: Solve for x
    x = 170,310,627,771,443,904/638,040,225.45
  6. Step 6: Final answer
    x = 266,927,728.03

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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.