Home / 314,930,369.80-472,395,554.70-228,199,198.60

Finding the Fourth Proportional to 314,930,369.80, 472,395,554.70 and 228,199,198.60

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Solution

The fourth proportional to 314,930,369.80, 472,395,554.70 and 228,199,198.60 is: 342,298,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,369.80 : 472,395,554.70 = 228,199,198.60 : x
  2. Step 2: Convert to fraction form
    314,930,369.80/472,395,554.70 = 228,199,198.60/x
  3. Step 3: Cross multiply
    314,930,369.80x = 472,395,554.70 × 228,199,198.60
  4. Step 4: Simplify right side
    314,930,369.80x = 107,800,287,004,742,464
  5. Step 5: Solve for x
    x = 107,800,287,004,742,464/314,930,369.80
  6. Step 6: Final answer
    x = 342,298,797.90

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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.