Finding the Fourth Proportional to 7,328,645,988,372.80, 10,113,990,770,317 and 4,036,393,163,310.40
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Solution
The fourth proportional to 7,328,645,988,372.80, 10,113,990,770,317 and 4,036,393,163,310.40 is: 5,570,475,537,208.52
Step by Step Solution
- Step 1: Write the proportion equation
7,328,645,988,372.80 : 10,113,990,770,317 = 4,036,393,163,310.40 : x - Step 2: Convert to fraction form
7,328,645,988,372.80/10,113,990,770,317 = 4,036,393,163,310.40/x - Step 3: Cross multiply
7,328,645,988,372.80x = 10,113,990,770,317 × 4,036,393,163,310.40 - Step 4: Simplify right side
7,328,645,988,372.80x = 40,824,043,199,092,019,957,858,304 - Step 5: Solve for x
x = 40,824,043,199,092,019,957,858,304/7,328,645,988,372.80 - Step 6: Final answer
x = 5,570,475,537,208.52
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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.