Finding the Fourth Proportional to 3,772,033,879.70, 5,205,681,875.08 and 2,186,535,162.26
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Solution
The fourth proportional to 3,772,033,879.70, 5,205,681,875.08 and 2,186,535,162.26 is: 3,017,578,003.38
Step by Step Solution
- Step 1: Write the proportion equation
3,772,033,879.70 : 5,205,681,875.08 = 2,186,535,162.26 : x - Step 2: Convert to fraction form
3,772,033,879.70/5,205,681,875.08 = 2,186,535,162.26/x - Step 3: Cross multiply
3,772,033,879.70x = 5,205,681,875.08 × 2,186,535,162.26 - Step 4: Simplify right side
3,772,033,879.70x = 11,382,406,463,378,147,328 - Step 5: Solve for x
x = 11,382,406,463,378,147,328/3,772,033,879.70 - Step 6: Final answer
x = 3,017,578,003.38
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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.