Finding the Fourth Proportional to 1,474,351,515.56, 2,034,591,660.40 and 805,296,383.09
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Solution
The fourth proportional to 1,474,351,515.56, 2,034,591,660.40 and 805,296,383.09 is: 1,111,301,672.56
Step by Step Solution
- Step 1: Write the proportion equation
1,474,351,515.56 : 2,034,591,660.40 = 805,296,383.09 : x - Step 2: Convert to fraction form
1,474,351,515.56/2,034,591,660.40 = 805,296,383.09/x - Step 3: Cross multiply
1,474,351,515.56x = 2,034,591,660.40 × 805,296,383.09 - Step 4: Simplify right side
1,474,351,515.56x = 1,638,449,305,189,588,992 - Step 5: Solve for x
x = 1,638,449,305,189,588,992/1,474,351,515.56 - Step 6: Final answer
x = 1,111,301,672.56
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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.