Finding the Fourth Proportional to 8,352,850,145.13, 11,557,286,802.72 and 7,283,383,578.99
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Solution
The fourth proportional to 8,352,850,145.13, 11,557,286,802.72 and 7,283,383,578.99 is: 10,077,536,583.81
Step by Step Solution
- Step 1: Write the proportion equation
8,352,850,145.13 : 11,557,286,802.72 = 7,283,383,578.99 : x - Step 2: Convert to fraction form
8,352,850,145.13/11,557,286,802.72 = 7,283,383,578.99/x - Step 3: Cross multiply
8,352,850,145.13x = 11,557,286,802.72 × 7,283,383,578.99 - Step 4: Simplify right side
8,352,850,145.13x = 84,176,152,916,608,679,936 - Step 5: Solve for x
x = 84,176,152,916,608,679,936/8,352,850,145.13 - Step 6: Final answer
x = 10,077,536,583.81
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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.