Home / 20,713,302,515.20-31,072,977,081.60-6,736,545,932.80

Finding the Fourth Proportional to 20,713,302,515.20, 31,072,977,081.60 and 6,736,545,932.80

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Solution

The fourth proportional to 20,713,302,515.20, 31,072,977,081.60 and 6,736,545,932.80 is: 10,105,802,163.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713,302,515.20 : 31,072,977,081.60 = 6,736,545,932.80 : x
  2. Step 2: Convert to fraction form
    20,713,302,515.20/31,072,977,081.60 = 6,736,545,932.80/x
  3. Step 3: Cross multiply
    20,713,302,515.20x = 31,072,977,081.60 × 6,736,545,932.80
  4. Step 4: Simplify right side
    20,713,302,515.20x = 209,324,537,379,040,100,352
  5. Step 5: Solve for x
    x = 209,324,537,379,040,100,352/20,713,302,515.20
  6. Step 6: Final answer
    x = 10,105,802,163.87

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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.