Home / 19,815,651,138.77-27,345,603,035.17-10,904,979,891.77

Finding the Fourth Proportional to 19,815,651,138.77, 27,345,603,035.17 and 10,904,979,891.77

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Solution

The fourth proportional to 19,815,651,138.77, 27,345,603,035.17 and 10,904,979,891.77 is: 15,048,874,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815,651,138.77 : 27,345,603,035.17 = 10,904,979,891.77 : x
  2. Step 2: Convert to fraction form
    19,815,651,138.77/27,345,603,035.17 = 10,904,979,891.77/x
  3. Step 3: Cross multiply
    19,815,651,138.77x = 27,345,603,035.17 × 10,904,979,891.77
  4. Step 4: Simplify right side
    19,815,651,138.77x = 298,203,251,226,853,507,072
  5. Step 5: Solve for x
    x = 298,203,251,226,853,507,072/19,815,651,138.77
  6. Step 6: Final answer
    x = 15,048,874,707.10

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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.