Finding the Fourth Proportional to 994,085,593.31, 1,491,343,634.54 and 380,669,840.93
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Solution
The fourth proportional to 994,085,593.31, 1,491,343,634.54 and 380,669,840.93 is: 571,087,186.01
Step by Step Solution
- Step 1: Write the proportion equation
994,085,593.31 : 1,491,343,634.54 = 380,669,840.93 : x - Step 2: Convert to fraction form
994,085,593.31/1,491,343,634.54 = 380,669,840.93/x - Step 3: Cross multiply
994,085,593.31x = 1,491,343,634.54 × 380,669,840.93 - Step 4: Simplify right side
994,085,593.31x = 567,709,544,136,989,888 - Step 5: Solve for x
x = 567,709,544,136,989,888/994,085,593.31 - Step 6: Final answer
x = 571,087,186.01
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1.5x scale
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.