Finding the Fourth Proportional to 5,472,168,239.36, 7,551,603,297.88 and 2,966,043,648.80
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Solution
The fourth proportional to 5,472,168,239.36, 7,551,603,297.88 and 2,966,043,648.80 is: 4,093,146,266.75
Step by Step Solution
- Step 1: Write the proportion equation
5,472,168,239.36 : 7,551,603,297.88 = 2,966,043,648.80 : x - Step 2: Convert to fraction form
5,472,168,239.36/7,551,603,297.88 = 2,966,043,648.80/x - Step 3: Cross multiply
5,472,168,239.36x = 7,551,603,297.88 × 2,966,043,648.80 - Step 4: Simplify right side
5,472,168,239.36x = 22,398,384,999,937,773,568 - Step 5: Solve for x
x = 22,398,384,999,937,773,568/5,472,168,239.36 - Step 6: Final answer
x = 4,093,146,266.75
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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.