Home / 667,040,553.36-920,516,050.92-369,701,992.26

Finding the Fourth Proportional to 667,040,553.36, 920,516,050.92 and 369,701,992.26

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Solution

The fourth proportional to 667,040,553.36, 920,516,050.92 and 369,701,992.26 is: 510,188,797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,040,553.36 : 920,516,050.92 = 369,701,992.26 : x
  2. Step 2: Convert to fraction form
    667,040,553.36/920,516,050.92 = 369,701,992.26/x
  3. Step 3: Cross multiply
    667,040,553.36x = 920,516,050.92 × 369,701,992.26
  4. Step 4: Simplify right side
    667,040,553.36x = 340,316,617,932,431,552
  5. Step 5: Solve for x
    x = 340,316,617,932,431,552/667,040,553.36
  6. Step 6: Final answer
    x = 510,188,797.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.