Finding the Fourth Proportional to 7,889,295,316.23, 10,887,403,771.26 and 4,502,137,170.15
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Solution
The fourth proportional to 7,889,295,316.23, 10,887,403,771.26 and 4,502,137,170.15 is: 6,213,049,865.71
Step by Step Solution
- Step 1: Write the proportion equation
7,889,295,316.23 : 10,887,403,771.26 = 4,502,137,170.15 : x - Step 2: Convert to fraction form
7,889,295,316.23/10,887,403,771.26 = 4,502,137,170.15/x - Step 3: Cross multiply
7,889,295,316.23x = 10,887,403,771.26 × 4,502,137,170.15 - Step 4: Simplify right side
7,889,295,316.23x = 49,016,585,205,020,934,144 - Step 5: Solve for x
x = 49,016,585,205,020,934,144/7,889,295,316.23 - Step 6: Final answer
x = 6,213,049,865.71
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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.