Home / 396,289,905.10-594,434,857.65-360,577,069.90

Finding the Fourth Proportional to 396,289,905.10, 594,434,857.65 and 360,577,069.90

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Solution

The fourth proportional to 396,289,905.10, 594,434,857.65 and 360,577,069.90 is: 540,865,604.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,289,905.10 : 594,434,857.65 = 360,577,069.90 : x
  2. Step 2: Convert to fraction form
    396,289,905.10/594,434,857.65 = 360,577,069.90/x
  3. Step 3: Cross multiply
    396,289,905.10x = 594,434,857.65 × 360,577,069.90
  4. Step 4: Simplify right side
    396,289,905.10x = 214,339,579,217,860,576
  5. Step 5: Solve for x
    x = 214,339,579,217,860,576/396,289,905.10
  6. Step 6: Final answer
    x = 540,865,604.85

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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.