Home / 396,563,085,911.73-547,258,911,808.96-225,294,415,376.27

Finding the Fourth Proportional to 396,563,085,911.73, 547,258,911,808.96 and 225,294,415,376.27

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Solution

The fourth proportional to 396,563,085,911.73, 547,258,911,808.96 and 225,294,415,376.27 is: 310,907,346,083.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,563,085,911.73 : 547,258,911,808.96 = 225,294,415,376.27 : x
  2. Step 2: Convert to fraction form
    396,563,085,911.73/547,258,911,808.96 = 225,294,415,376.27/x
  3. Step 3: Cross multiply
    396,563,085,911.73x = 547,258,911,808.96 × 225,294,415,376.27
  4. Step 4: Simplify right side
    396,563,085,911.73x = 123,294,376,595,453,338,714,112
  5. Step 5: Solve for x
    x = 123,294,376,595,453,338,714,112/396,563,085,911.73
  6. Step 6: Final answer
    x = 310,907,346,083.39

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Why These Related Problems?

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