Home / 221,395,325,364.78-332,622,783,935.01-141,962,501,916.78

Finding the Fourth Proportional to 221,395,325,364.78, 332,622,783,935.01 and 141,962,501,916.78

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Solution

The fourth proportional to 221,395,325,364.78, 332,622,783,935.01 and 141,962,501,916.78 is: 213,283,467,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,395,325,364.78 : 332,622,783,935.01 = 141,962,501,916.78 : x
  2. Step 2: Convert to fraction form
    221,395,325,364.78/332,622,783,935.01 = 141,962,501,916.78/x
  3. Step 3: Cross multiply
    221,395,325,364.78x = 332,622,783,935.01 × 141,962,501,916.78
  4. Step 4: Simplify right side
    221,395,325,364.78x = 47,219,962,601,938,561,794,048
  5. Step 5: Solve for x
    x = 47,219,962,601,938,561,794,048/221,395,325,364.78
  6. Step 6: Final answer
    x = 213,283,467,137.97

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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.