Finding the Fourth Proportional to 7,244,916,493.97, 9,998,018,619.48 and 4,115,963,580.05
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Solution
The fourth proportional to 7,244,916,493.97, 9,998,018,619.48 and 4,115,963,580.05 is: 5,680,048,975.67
Step by Step Solution
- Step 1: Write the proportion equation
7,244,916,493.97 : 9,998,018,619.48 = 4,115,963,580.05 : x - Step 2: Convert to fraction form
7,244,916,493.97/9,998,018,619.48 = 4,115,963,580.05/x - Step 3: Cross multiply
7,244,916,493.97x = 9,998,018,619.48 × 4,115,963,580.05 - Step 4: Simplify right side
7,244,916,493.97x = 41,151,480,510,391,468,032 - Step 5: Solve for x
x = 41,151,480,510,391,468,032/7,244,916,493.97 - Step 6: Final answer
x = 5,680,048,975.67
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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.