Home / 442,874,124.85-664,311,187.28-197,230,284.85

Finding the Fourth Proportional to 442,874,124.85, 664,311,187.28 and 197,230,284.85

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Solution

The fourth proportional to 442,874,124.85, 664,311,187.28 and 197,230,284.85 is: 295,845,427.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,874,124.85 : 664,311,187.28 = 197,230,284.85 : x
  2. Step 2: Convert to fraction form
    442,874,124.85/664,311,187.28 = 197,230,284.85/x
  3. Step 3: Cross multiply
    442,874,124.85x = 664,311,187.28 × 197,230,284.85
  4. Step 4: Simplify right side
    442,874,124.85x = 131,022,284,695,289,936
  5. Step 5: Solve for x
    x = 131,022,284,695,289,936/442,874,124.85
  6. Step 6: Final answer
    x = 295,845,427.28

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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.