Finding the Fourth Proportional to 382,845,711.70, 574,268,567.55 and 374,342,655.70
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Solution
The fourth proportional to 382,845,711.70, 574,268,567.55 and 374,342,655.70 is: 561,513,983.55
Step by Step Solution
- Step 1: Write the proportion equation
382,845,711.70 : 574,268,567.55 = 374,342,655.70 : x - Step 2: Convert to fraction form
382,845,711.70/574,268,567.55 = 374,342,655.70/x - Step 3: Cross multiply
382,845,711.70x = 574,268,567.55 × 374,342,655.70 - Step 4: Simplify right side
382,845,711.70x = 214,973,220,661,701,824 - Step 5: Solve for x
x = 214,973,220,661,701,824/382,845,711.70 - Step 6: Final answer
x = 561,513,983.55
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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.