Home / 799,737,432.24-1,199,658,784.92-209,542,123.56

Finding the Fourth Proportional to 799,737,432.24, 1,199,658,784.92 and 209,542,123.56

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Solution

The fourth proportional to 799,737,432.24, 1,199,658,784.92 and 209,542,123.56 is: 314,326,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,737,432.24 : 1,199,658,784.92 = 209,542,123.56 : x
  2. Step 2: Convert to fraction form
    799,737,432.24/1,199,658,784.92 = 209,542,123.56/x
  3. Step 3: Cross multiply
    799,737,432.24x = 1,199,658,784.92 × 209,542,123.56
  4. Step 4: Simplify right side
    799,737,432.24x = 251,379,049,339,546,112
  5. Step 5: Solve for x
    x = 251,379,049,339,546,112/799,737,432.24
  6. Step 6: Final answer
    x = 314,326,976.84

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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.