Home / 9,378,463,491,835-12,942,593,533,746-5,211,882,452,907

Finding the Fourth Proportional to 9,378,463,491,835, 12,942,593,533,746 and 5,211,882,452,907

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Solution

The fourth proportional to 9,378,463,491,835, 12,942,593,533,746 and 5,211,882,452,907 is: 7,192,572,236,631.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378,463,491,835 : 12,942,593,533,746 = 5,211,882,452,907 : x
  2. Step 2: Convert to fraction form
    9,378,463,491,835/12,942,593,533,746 = 5,211,882,452,907/x
  3. Step 3: Cross multiply
    9,378,463,491,835x = 12,942,593,533,746 × 5,211,882,452,907
  4. Step 4: Simplify right side
    9,378,463,491,835x = 67,455,276,133,638,378,633,560,064
  5. Step 5: Solve for x
    x = 67,455,276,133,638,378,633,560,064/9,378,463,491,835
  6. Step 6: Final answer
    x = 7,192,572,236,631.91

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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.