Home / 18,724,672,621.38-28,082,710,935.72-11,163,596,778.06

Finding the Fourth Proportional to 18,724,672,621.38, 28,082,710,935.72 and 11,163,596,778.06

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Solution

The fourth proportional to 18,724,672,621.38, 28,082,710,935.72 and 11,163,596,778.06 is: 16,742,832,713.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724,672,621.38 : 28,082,710,935.72 = 11,163,596,778.06 : x
  2. Step 2: Convert to fraction form
    18,724,672,621.38/28,082,710,935.72 = 11,163,596,778.06/x
  3. Step 3: Cross multiply
    18,724,672,621.38x = 28,082,710,935.72 × 11,163,596,778.06
  4. Step 4: Simplify right side
    18,724,672,621.38x = 313,504,061,321,194,110,976
  5. Step 5: Solve for x
    x = 313,504,061,321,194,110,976/18,724,672,621.38
  6. Step 6: Final answer
    x = 16,742,832,713.84

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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.