Finding the Fourth Proportional to 3,997,999,371.29, 5,517,171,295.76 and 2,213,814,517.19
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Solution
The fourth proportional to 3,997,999,371.29, 5,517,171,295.76 and 2,213,814,517.19 is: 3,055,026,470.51
Step by Step Solution
- Step 1: Write the proportion equation
3,997,999,371.29 : 5,517,171,295.76 = 2,213,814,517.19 : x - Step 2: Convert to fraction form
3,997,999,371.29/5,517,171,295.76 = 2,213,814,517.19/x - Step 3: Cross multiply
3,997,999,371.29x = 5,517,171,295.76 × 2,213,814,517.19 - Step 4: Simplify right side
3,997,999,371.29x = 12,213,993,908,377,452,544 - Step 5: Solve for x
x = 12,213,993,908,377,452,544/3,997,999,371.29 - Step 6: Final answer
x = 3,055,026,470.51
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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.