Home / 12,942,916,441.57-19,419,967,653.78-6,960,049,801.36

Finding the Fourth Proportional to 12,942,916,441.57, 19,419,967,653.78 and 6,960,049,801.36

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Solution

The fourth proportional to 12,942,916,441.57, 19,419,967,653.78 and 6,960,049,801.36 is: 10,443,082,331.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942,916,441.57 : 19,419,967,653.78 = 6,960,049,801.36 : x
  2. Step 2: Convert to fraction form
    12,942,916,441.57/19,419,967,653.78 = 6,960,049,801.36/x
  3. Step 3: Cross multiply
    12,942,916,441.57x = 19,419,967,653.78 × 6,960,049,801.36
  4. Step 4: Simplify right side
    12,942,916,441.57x = 135,163,942,011,090,354,176
  5. Step 5: Solve for x
    x = 135,163,942,011,090,354,176/12,942,916,441.57
  6. Step 6: Final answer
    x = 10,443,082,331.66

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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.