Finding the Fourth Proportional to 5,751,695,271.48, 7,937,261,868.51 and 3,211,416,367.53
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Solution
The fourth proportional to 5,751,695,271.48, 7,937,261,868.51 and 3,211,416,367.53 is: 4,431,711,256.38
Step by Step Solution
- Step 1: Write the proportion equation
5,751,695,271.48 : 7,937,261,868.51 = 3,211,416,367.53 : x - Step 2: Convert to fraction form
5,751,695,271.48/7,937,261,868.51 = 3,211,416,367.53/x - Step 3: Cross multiply
5,751,695,271.48x = 7,937,261,868.51 × 3,211,416,367.53 - Step 4: Simplify right side
5,751,695,271.48x = 25,489,852,677,904,769,024 - Step 5: Solve for x
x = 25,489,852,677,904,769,024/5,751,695,271.48 - Step 6: Final answer
x = 4,431,711,256.38
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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.