Finding the Fourth Proportional to 7,351,010,522.92, 10,145,252,153.24 and 4,179,669,619.68
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Solution
The fourth proportional to 7,351,010,522.92, 10,145,252,153.24 and 4,179,669,619.68 is: 5,768,431,711.08
Step by Step Solution
- Step 1: Write the proportion equation
7,351,010,522.92 : 10,145,252,153.24 = 4,179,669,619.68 : x - Step 2: Convert to fraction form
7,351,010,522.92/10,145,252,153.24 = 4,179,669,619.68/x - Step 3: Cross multiply
7,351,010,522.92x = 10,145,252,153.24 × 4,179,669,619.68 - Step 4: Simplify right side
7,351,010,522.92x = 42,403,802,208,890,331,136 - Step 5: Solve for x
x = 42,403,802,208,890,331,136/7,351,010,522.92 - Step 6: Final answer
x = 5,768,431,711.08
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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.