Home / 396,522,408.04-547,215,690.84-237,778,376.04

Finding the Fourth Proportional to 396,522,408.04, 547,215,690.84 and 237,778,376.04

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Solution

The fourth proportional to 396,522,408.04, 547,215,690.84 and 237,778,376.04 is: 328,143,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,522,408.04 : 547,215,690.84 = 237,778,376.04 : x
  2. Step 2: Convert to fraction form
    396,522,408.04/547,215,690.84 = 237,778,376.04/x
  3. Step 3: Cross multiply
    396,522,408.04x = 547,215,690.84 × 237,778,376.04
  4. Step 4: Simplify right side
    396,522,408.04x = 130,116,058,311,541,904
  5. Step 5: Solve for x
    x = 130,116,058,311,541,904/396,522,408.04
  6. Step 6: Final answer
    x = 328,143,014.55

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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.