Home / 28,961,945,850.82-43,419,475,120.74-9,054,586,161.31

Finding the Fourth Proportional to 28,961,945,850.82, 43,419,475,120.74 and 9,054,586,161.31

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Solution

The fourth proportional to 28,961,945,850.82, 43,419,475,120.74 and 9,054,586,161.31 is: 13,574,549,879.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,961,945,850.82 : 43,419,475,120.74 = 9,054,586,161.31 : x
  2. Step 2: Convert to fraction form
    28,961,945,850.82/43,419,475,120.74 = 9,054,586,161.31/x
  3. Step 3: Cross multiply
    28,961,945,850.82x = 43,419,475,120.74 × 9,054,586,161.31
  4. Step 4: Simplify right side
    28,961,945,850.82x = 393,145,378,559,596,232,704
  5. Step 5: Solve for x
    x = 393,145,378,559,596,232,704/28,961,945,850.82
  6. Step 6: Final answer
    x = 13,574,549,879.51

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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.