Finding the Fourth Proportional to 4,792,305,787.09, 7,189,231,117.49 and 1,476,118,815.15
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Solution
The fourth proportional to 4,792,305,787.09, 7,189,231,117.49 and 1,476,118,815.15 is: 2,214,416,147.56
Step by Step Solution
- Step 1: Write the proportion equation
4,792,305,787.09 : 7,189,231,117.49 = 1,476,118,815.15 : x - Step 2: Convert to fraction form
4,792,305,787.09/7,189,231,117.49 = 1,476,118,815.15/x - Step 3: Cross multiply
4,792,305,787.09x = 7,189,231,117.49 × 1,476,118,815.15 - Step 4: Simplify right side
4,792,305,787.09x = 10,612,159,318,988,849,152 - Step 5: Solve for x
x = 10,612,159,318,988,849,152/4,792,305,787.09 - Step 6: Final answer
x = 2,214,416,147.56
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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.