Finding the Fourth Proportional to 7,183,733,910.42, 9,841,551,054 and 6,915,149,829.18
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Solution
The fourth proportional to 7,183,733,910.42, 9,841,551,054 and 6,915,149,829.18 is: 9,473,597,009.38
Step by Step Solution
- Step 1: Write the proportion equation
7,183,733,910.42 : 9,841,551,054 = 6,915,149,829.18 : x - Step 2: Convert to fraction form
7,183,733,910.42/9,841,551,054 = 6,915,149,829.18/x - Step 3: Cross multiply
7,183,733,910.42x = 9,841,551,054 × 6,915,149,829.18 - Step 4: Simplify right side
7,183,733,910.42x = 68,055,800,089,934,348,288 - Step 5: Solve for x
x = 68,055,800,089,934,348,288/7,183,733,910.42 - Step 6: Final answer
x = 9,473,597,009.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.