Home / 7,905,082,852-11,857,187,814.57-5,780,106,136.12

Finding the Fourth Proportional to 7,905,082,852, 11,857,187,814.57 and 5,780,106,136.12

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Solution

The fourth proportional to 7,905,082,852, 11,857,187,814.57 and 5,780,106,136.12 is: 8,669,840,067.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905,082,852 : 11,857,187,814.57 = 5,780,106,136.12 : x
  2. Step 2: Convert to fraction form
    7,905,082,852/11,857,187,814.57 = 5,780,106,136.12/x
  3. Step 3: Cross multiply
    7,905,082,852x = 11,857,187,814.57 × 5,780,106,136.12
  4. Step 4: Simplify right side
    7,905,082,852x = 68,535,804,044,094,447,616
  5. Step 5: Solve for x
    x = 68,535,804,044,094,447,616/7,905,082,852
  6. Step 6: Final answer
    x = 8,669,840,067.11

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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.