Home / 396,692,404.02-547,589,493.72-297,858,549.78

Finding the Fourth Proportional to 396,692,404.02, 547,589,493.72 and 297,858,549.78

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Solution

The fourth proportional to 396,692,404.02, 547,589,493.72 and 297,858,549.78 is: 411,160,412.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,692,404.02 : 547,589,493.72 = 297,858,549.78 : x
  2. Step 2: Convert to fraction form
    396,692,404.02/547,589,493.72 = 297,858,549.78/x
  3. Step 3: Cross multiply
    396,692,404.02x = 547,589,493.72 × 297,858,549.78
  4. Step 4: Simplify right side
    396,692,404.02x = 163,104,212,474,203,616
  5. Step 5: Solve for x
    x = 163,104,212,474,203,616/396,692,404.02
  6. Step 6: Final answer
    x = 411,160,412.50

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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.