Finding the Fourth Proportional to 5,513,937,987.07, 8,272,591,845.81 and 3,305,606,164.03
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Solution
The fourth proportional to 5,513,937,987.07, 8,272,591,845.81 and 3,305,606,164.03 is: 4,959,419,322.84
Step by Step Solution
- Step 1: Write the proportion equation
5,513,937,987.07 : 8,272,591,845.81 = 3,305,606,164.03 : x - Step 2: Convert to fraction form
5,513,937,987.07/8,272,591,845.81 = 3,305,606,164.03/x - Step 3: Cross multiply
5,513,937,987.07x = 8,272,591,845.81 × 3,305,606,164.03 - Step 4: Simplify right side
5,513,937,987.07x = 27,345,930,598,013,853,696 - Step 5: Solve for x
x = 27,345,930,598,013,853,696/5,513,937,987.07 - Step 6: Final answer
x = 4,959,419,322.84
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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.