Finding the Fourth Proportional to 5,751,695,271.98, 7,937,261,869.20 and 3,211,416,368.03
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Solution
The fourth proportional to 5,751,695,271.98, 7,937,261,869.20 and 3,211,416,368.03 is: 4,431,711,257.07
Step by Step Solution
- Step 1: Write the proportion equation
5,751,695,271.98 : 7,937,261,869.20 = 3,211,416,368.03 : x - Step 2: Convert to fraction form
5,751,695,271.98/7,937,261,869.20 = 3,211,416,368.03/x - Step 3: Cross multiply
5,751,695,271.98x = 7,937,261,869.20 × 3,211,416,368.03 - Step 4: Simplify right side
5,751,695,271.98x = 25,489,852,684,089,274,368 - Step 5: Solve for x
x = 25,489,852,684,089,274,368/5,751,695,271.98 - Step 6: Final answer
x = 4,431,711,257.07
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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.