Finding the Fourth Proportional to 7,186,618,975.12, 10,770,292,646.79 and 5,593,177,411.11
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Solution
The fourth proportional to 7,186,618,975.12, 10,770,292,646.79 and 5,593,177,411.11 is: 8,382,266,786.60
Step by Step Solution
- Step 1: Write the proportion equation
7,186,618,975.12 : 10,770,292,646.79 = 5,593,177,411.11 : x - Step 2: Convert to fraction form
7,186,618,975.12/10,770,292,646.79 = 5,593,177,411.11/x - Step 3: Cross multiply
7,186,618,975.12x = 10,770,292,646.79 × 5,593,177,411.11 - Step 4: Simplify right side
7,186,618,975.12x = 60,240,157,543,069,966,336 - Step 5: Solve for x
x = 60,240,157,543,069,966,336/7,186,618,975.12 - Step 6: Final answer
x = 8,382,266,786.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.