Home / 40,140,040,173.71-60,236,586,121.58-18,898,563,453.57

Finding the Fourth Proportional to 40,140,040,173.71, 60,236,586,121.58 and 18,898,563,453.57

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Solution

The fourth proportional to 40,140,040,173.71, 60,236,586,121.58 and 18,898,563,453.57 is: 28,360,333,973.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,140,040,173.71 : 60,236,586,121.58 = 18,898,563,453.57 : x
  2. Step 2: Convert to fraction form
    40,140,040,173.71/60,236,586,121.58 = 18,898,563,453.57/x
  3. Step 3: Cross multiply
    40,140,040,173.71x = 60,236,586,121.58 × 18,898,563,453.57
  4. Step 4: Simplify right side
    40,140,040,173.71x = 1,138,384,945,045,019,033,600
  5. Step 5: Solve for x
    x = 1,138,384,945,045,019,033,600/40,140,040,173.71
  6. Step 6: Final answer
    x = 28,360,333,973.73

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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.