Home / 20,072,311,359.90-27,728,115,101.91-16,084,472,574.30

Finding the Fourth Proportional to 20,072,311,359.90, 27,728,115,101.91 and 16,084,472,574.30

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Solution

The fourth proportional to 20,072,311,359.90, 27,728,115,101.91 and 16,084,472,574.30 is: 22,219,270,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072,311,359.90 : 27,728,115,101.91 = 16,084,472,574.30 : x
  2. Step 2: Convert to fraction form
    20,072,311,359.90/27,728,115,101.91 = 16,084,472,574.30/x
  3. Step 3: Cross multiply
    20,072,311,359.90x = 27,728,115,101.91 × 16,084,472,574.30
  4. Step 4: Simplify right side
    20,072,311,359.90x = 445,992,106,893,705,019,392
  5. Step 5: Solve for x
    x = 445,992,106,893,705,019,392/20,072,311,359.90
  6. Step 6: Final answer
    x = 22,219,270,062.97

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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.