Finding the Fourth Proportional to 3,997,999,368.29, 5,517,171,291.62 and 2,213,814,514.19
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Solution
The fourth proportional to 3,997,999,368.29, 5,517,171,291.62 and 2,213,814,514.19 is: 3,055,026,466.36
Step by Step Solution
- Step 1: Write the proportion equation
3,997,999,368.29 : 5,517,171,291.62 = 2,213,814,514.19 : x - Step 2: Convert to fraction form
3,997,999,368.29/5,517,171,291.62 = 2,213,814,514.19/x - Step 3: Cross multiply
3,997,999,368.29x = 5,517,171,291.62 × 2,213,814,514.19 - Step 4: Simplify right side
3,997,999,368.29x = 12,213,993,882,638,694,400 - Step 5: Solve for x
x = 12,213,993,882,638,694,400/3,997,999,368.29 - Step 6: Final answer
x = 3,055,026,466.36
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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.