Finding the Fourth Proportional to 3,738,702,072.06, 5,159,531,920.26 and 2,045,117,960.34
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Solution
The fourth proportional to 3,738,702,072.06, 5,159,531,920.26 and 2,045,117,960.34 is: 2,822,330,101.11
Step by Step Solution
- Step 1: Write the proportion equation
3,738,702,072.06 : 5,159,531,920.26 = 2,045,117,960.34 : x - Step 2: Convert to fraction form
3,738,702,072.06/5,159,531,920.26 = 2,045,117,960.34/x - Step 3: Cross multiply
3,738,702,072.06x = 5,159,531,920.26 × 2,045,117,960.34 - Step 4: Simplify right side
3,738,702,072.06x = 10,551,851,397,071,255,552 - Step 5: Solve for x
x = 10,551,851,397,071,255,552/3,738,702,072.06 - Step 6: Final answer
x = 2,822,330,101.11
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Double scale
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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.