Home / 352,436,265,215.78-528,653,737,980.54-110,431,901,929.68

Finding the Fourth Proportional to 352,436,265,215.78, 528,653,737,980.54 and 110,431,901,929.68

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Solution

The fourth proportional to 352,436,265,215.78, 528,653,737,980.54 and 110,431,901,929.68 is: 165,647,646,140.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,436,265,215.78 : 528,653,737,980.54 = 110,431,901,929.68 : x
  2. Step 2: Convert to fraction form
    352,436,265,215.78/528,653,737,980.54 = 110,431,901,929.68/x
  3. Step 3: Cross multiply
    352,436,265,215.78x = 528,653,737,980.54 × 110,431,901,929.68
  4. Step 4: Simplify right side
    352,436,265,215.78x = 58,380,237,747,425,736,916,992
  5. Step 5: Solve for x
    x = 58,380,237,747,425,736,916,992/352,436,265,215.78
  6. Step 6: Final answer
    x = 165,647,646,140.17

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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.