Home / 396,400,979.70-594,601,469.55-360,050,415.30

Finding the Fourth Proportional to 396,400,979.70, 594,601,469.55 and 360,050,415.30

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Solution

The fourth proportional to 396,400,979.70, 594,601,469.55 and 360,050,415.30 is: 540,075,622.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,400,979.70 : 594,601,469.55 = 360,050,415.30 : x
  2. Step 2: Convert to fraction form
    396,400,979.70/594,601,469.55 = 360,050,415.30/x
  3. Step 3: Cross multiply
    396,400,979.70x = 594,601,469.55 × 360,050,415.30
  4. Step 4: Simplify right side
    396,400,979.70x = 214,086,506,049,467,808
  5. Step 5: Solve for x
    x = 214,086,506,049,467,808/396,400,979.70
  6. Step 6: Final answer
    x = 540,075,622.95

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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.