Home / 396,563,085,910.43-547,258,911,807.18-225,294,415,374.93

Finding the Fourth Proportional to 396,563,085,910.43, 547,258,911,807.18 and 225,294,415,374.93

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Solution

The fourth proportional to 396,563,085,910.43, 547,258,911,807.18 and 225,294,415,374.93 is: 310,907,346,081.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,563,085,910.43 : 547,258,911,807.18 = 225,294,415,374.93 : x
  2. Step 2: Convert to fraction form
    396,563,085,910.43/547,258,911,807.18 = 225,294,415,374.93/x
  3. Step 3: Cross multiply
    396,563,085,910.43x = 547,258,911,807.18 × 225,294,415,374.93
  4. Step 4: Simplify right side
    396,563,085,910.43x = 123,294,376,594,318,980,808,704
  5. Step 5: Solve for x
    x = 123,294,376,594,318,980,808,704/396,563,085,910.43
  6. Step 6: Final answer
    x = 310,907,346,081.54

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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.