Finding the Fourth Proportional to 12,183,578,207.26, 16,813,013,509.31 and 7,033,451,866.99
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Solution
The fourth proportional to 12,183,578,207.26, 16,813,013,509.31 and 7,033,451,866.99 is: 9,705,976,294.08
Step by Step Solution
- Step 1: Write the proportion equation
12,183,578,207.26 : 16,813,013,509.31 = 7,033,451,866.99 : x - Step 2: Convert to fraction form
12,183,578,207.26/16,813,013,509.31 = 7,033,451,866.99/x - Step 3: Cross multiply
12,183,578,207.26x = 16,813,013,509.31 × 7,033,451,866.99 - Step 4: Simplify right side
12,183,578,207.26x = 118,253,521,256,784,510,976 - Step 5: Solve for x
x = 118,253,521,256,784,510,976/12,183,578,207.26 - Step 6: Final answer
x = 9,705,976,294.08
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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.