Home / 19,815,651,145.78-27,345,603,044.84-10,904,979,898.78

Finding the Fourth Proportional to 19,815,651,145.78, 27,345,603,044.84 and 10,904,979,898.78

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Solution

The fourth proportional to 19,815,651,145.78, 27,345,603,044.84 and 10,904,979,898.78 is: 15,048,874,716.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815,651,145.78 : 27,345,603,044.84 = 10,904,979,898.78 : x
  2. Step 2: Convert to fraction form
    19,815,651,145.78/27,345,603,044.84 = 10,904,979,898.78/x
  3. Step 3: Cross multiply
    19,815,651,145.78x = 27,345,603,044.84 × 10,904,979,898.78
  4. Step 4: Simplify right side
    19,815,651,145.78x = 298,203,251,523,888,152,576
  5. Step 5: Solve for x
    x = 298,203,251,523,888,152,576/19,815,651,145.78
  6. Step 6: Final answer
    x = 15,048,874,716.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.