Finding the Fourth Proportional to 3,772,033,879.32, 5,205,681,874.56 and 2,186,535,161.88
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Solution
The fourth proportional to 3,772,033,879.32, 5,205,681,874.56 and 2,186,535,161.88 is: 3,017,578,002.86
Step by Step Solution
- Step 1: Write the proportion equation
3,772,033,879.32 : 5,205,681,874.56 = 2,186,535,161.88 : x - Step 2: Convert to fraction form
3,772,033,879.32/5,205,681,874.56 = 2,186,535,161.88/x - Step 3: Cross multiply
3,772,033,879.32x = 5,205,681,874.56 × 2,186,535,161.88 - Step 4: Simplify right side
3,772,033,879.32x = 11,382,406,460,295,141,376 - Step 5: Solve for x
x = 11,382,406,460,295,141,376/3,772,033,879.32 - Step 6: Final answer
x = 3,017,578,002.86
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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.