Home / 7,905,082,855-11,857,187,819.06-5,780,106,139.12

Finding the Fourth Proportional to 7,905,082,855, 11,857,187,819.06 and 5,780,106,139.12

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Solution

The fourth proportional to 7,905,082,855, 11,857,187,819.06 and 5,780,106,139.12 is: 8,669,840,071.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905,082,855 : 11,857,187,819.06 = 5,780,106,139.12 : x
  2. Step 2: Convert to fraction form
    7,905,082,855/11,857,187,819.06 = 5,780,106,139.12/x
  3. Step 3: Cross multiply
    7,905,082,855x = 11,857,187,819.06 × 5,780,106,139.12
  4. Step 4: Simplify right side
    7,905,082,855x = 68,535,804,105,647,587,328
  5. Step 5: Solve for x
    x = 68,535,804,105,647,587,328/7,905,082,855
  6. Step 6: Final answer
    x = 8,669,840,071.61

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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.