Home / 9,378,463,491,840-12,942,593,533,753-5,211,882,452,912

Finding the Fourth Proportional to 9,378,463,491,840, 12,942,593,533,753 and 5,211,882,452,912

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Solution

The fourth proportional to 9,378,463,491,840, 12,942,593,533,753 and 5,211,882,452,912 is: 7,192,572,236,638.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378,463,491,840 : 12,942,593,533,753 = 5,211,882,452,912 : x
  2. Step 2: Convert to fraction form
    9,378,463,491,840/12,942,593,533,753 = 5,211,882,452,912/x
  3. Step 3: Cross multiply
    9,378,463,491,840x = 12,942,593,533,753 × 5,211,882,452,912
  4. Step 4: Simplify right side
    9,378,463,491,840x = 67,455,276,133,739,576,652,988,416
  5. Step 5: Solve for x
    x = 67,455,276,133,739,576,652,988,416/9,378,463,491,840
  6. Step 6: Final answer
    x = 7,192,572,236,638.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.