Finding the Fourth Proportional to 2,043,887,578.47, 2,821,089,652.06 and 1,331,199,087.32
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Solution
The fourth proportional to 2,043,887,578.47, 2,821,089,652.06 and 1,331,199,087.32 is: 1,837,396,542.56
Step by Step Solution
- Step 1: Write the proportion equation
2,043,887,578.47 : 2,821,089,652.06 = 1,331,199,087.32 : x - Step 2: Convert to fraction form
2,043,887,578.47/2,821,089,652.06 = 1,331,199,087.32/x - Step 3: Cross multiply
2,043,887,578.47x = 2,821,089,652.06 × 1,331,199,087.32 - Step 4: Simplify right side
2,043,887,578.47x = 3,755,431,970,069,959,168 - Step 5: Solve for x
x = 3,755,431,970,069,959,168/2,043,887,578.47 - Step 6: Final answer
x = 1,837,396,542.56
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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.