Home / 447,394,879.86-671,116,234.65-140,710,907.58

Finding the Fourth Proportional to 447,394,879.86, 671,116,234.65 and 140,710,907.58

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Solution

The fourth proportional to 447,394,879.86, 671,116,234.65 and 140,710,907.58 is: 211,073,882.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,394,879.86 : 671,116,234.65 = 140,710,907.58 : x
  2. Step 2: Convert to fraction form
    447,394,879.86/671,116,234.65 = 140,710,907.58/x
  3. Step 3: Cross multiply
    447,394,879.86x = 671,116,234.65 × 140,710,907.58
  4. Step 4: Simplify right side
    447,394,879.86x = 94,433,374,469,273,744
  5. Step 5: Solve for x
    x = 94,433,374,469,273,744/447,394,879.86
  6. Step 6: Final answer
    x = 211,073,882.87

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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.