Home / 18,724,672,621.88-28,082,710,936.47-11,163,596,778.56

Finding the Fourth Proportional to 18,724,672,621.88, 28,082,710,936.47 and 11,163,596,778.56

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Solution

The fourth proportional to 18,724,672,621.88, 28,082,710,936.47 and 11,163,596,778.56 is: 16,742,832,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724,672,621.88 : 28,082,710,936.47 = 11,163,596,778.56 : x
  2. Step 2: Convert to fraction form
    18,724,672,621.88/28,082,710,936.47 = 11,163,596,778.56/x
  3. Step 3: Cross multiply
    18,724,672,621.88x = 28,082,710,936.47 × 11,163,596,778.56
  4. Step 4: Simplify right side
    18,724,672,621.88x = 313,504,061,343,608,143,872
  5. Step 5: Solve for x
    x = 313,504,061,343,608,143,872/18,724,672,621.88
  6. Step 6: Final answer
    x = 16,742,832,714.59

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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.