Home / 49,432,359,446.40-74,091,208,276.80-19,969,058,121.60

Finding the Fourth Proportional to 49,432,359,446.40, 74,091,208,276.80 and 19,969,058,121.60

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Solution

The fourth proportional to 49,432,359,446.40, 74,091,208,276.80 and 19,969,058,121.60 is: 29,930,427,374.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,432,359,446.40 : 74,091,208,276.80 = 19,969,058,121.60 : x
  2. Step 2: Convert to fraction form
    49,432,359,446.40/74,091,208,276.80 = 19,969,058,121.60/x
  3. Step 3: Cross multiply
    49,432,359,446.40x = 74,091,208,276.80 × 19,969,058,121.60
  4. Step 4: Simplify right side
    49,432,359,446.40x = 1,479,531,644,378,990,247,936
  5. Step 5: Solve for x
    x = 1,479,531,644,378,990,247,936/49,432,359,446.40
  6. Step 6: Final answer
    x = 29,930,427,374.87

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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.