Finding the Fourth Proportional to 952,974,085.11, 1,315,260,198.26 and 793,952,043.42
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Solution
The fourth proportional to 952,974,085.11, 1,315,260,198.26 and 793,952,043.42 is: 1,095,783,755.67
Step by Step Solution
- Step 1: Write the proportion equation
952,974,085.11 : 1,315,260,198.26 = 793,952,043.42 : x - Step 2: Convert to fraction form
952,974,085.11/1,315,260,198.26 = 793,952,043.42/x - Step 3: Cross multiply
952,974,085.11x = 1,315,260,198.26 × 793,952,043.42 - Step 4: Simplify right side
952,974,085.11x = 1,044,253,522,033,551,616 - Step 5: Solve for x
x = 1,044,253,522,033,551,616/952,974,085.11 - Step 6: Final answer
x = 1,095,783,755.67
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1.5x scale
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.