Finding the Fourth Proportional to 5,161,375,668.22, 7,120,119,914.15 and 3,258,495,486.70
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Solution
The fourth proportional to 5,161,375,668.22, 7,120,119,914.15 and 3,258,495,486.70 is: 4,495,095,900.09
Step by Step Solution
- Step 1: Write the proportion equation
5,161,375,668.22 : 7,120,119,914.15 = 3,258,495,486.70 : x - Step 2: Convert to fraction form
5,161,375,668.22/7,120,119,914.15 = 3,258,495,486.70/x - Step 3: Cross multiply
5,161,375,668.22x = 7,120,119,914.15 × 3,258,495,486.70 - Step 4: Simplify right side
5,161,375,668.22x = 23,200,878,605,045,628,928 - Step 5: Solve for x
x = 23,200,878,605,045,628,928/5,161,375,668.22 - Step 6: Final answer
x = 4,495,095,900.09
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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.