Finding the Fourth Proportional to 3,721,449,589.92, 5,135,634,871.68 and 2,050,758,516.48
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Solution
The fourth proportional to 3,721,449,589.92, 5,135,634,871.68 and 2,050,758,516.48 is: 2,830,065,730.07
Step by Step Solution
- Step 1: Write the proportion equation
3,721,449,589.92 : 5,135,634,871.68 = 2,050,758,516.48 : x - Step 2: Convert to fraction form
3,721,449,589.92/5,135,634,871.68 = 2,050,758,516.48/x - Step 3: Cross multiply
3,721,449,589.92x = 5,135,634,871.68 × 2,050,758,516.48 - Step 4: Simplify right side
3,721,449,589.92x = 10,531,946,950,629,433,344 - Step 5: Solve for x
x = 10,531,946,950,629,433,344/3,721,449,589.92 - Step 6: Final answer
x = 2,830,065,730.07
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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.