Home / 28,366,864,553.70-42,550,296,830.55-27,979,881,027.30

Finding the Fourth Proportional to 28,366,864,553.70, 42,550,296,830.55 and 27,979,881,027.30

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Solution

The fourth proportional to 28,366,864,553.70, 42,550,296,830.55 and 27,979,881,027.30 is: 41,969,821,540.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366,864,553.70 : 42,550,296,830.55 = 27,979,881,027.30 : x
  2. Step 2: Convert to fraction form
    28,366,864,553.70/42,550,296,830.55 = 27,979,881,027.30/x
  3. Step 3: Cross multiply
    28,366,864,553.70x = 42,550,296,830.55 × 27,979,881,027.30
  4. Step 4: Simplify right side
    28,366,864,553.70x = 1,190,552,242,995,089,375,232
  5. Step 5: Solve for x
    x = 1,190,552,242,995,089,375,232/28,366,864,553.70
  6. Step 6: Final answer
    x = 41,969,821,540.95

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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.