Finding the Fourth Proportional to 347,390,744.64, 479,407,556.58 and 188,627,559.12
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Solution
The fourth proportional to 347,390,744.64, 479,407,556.58 and 188,627,559.12 is: 260,310,554.09
Step by Step Solution
- Step 1: Write the proportion equation
347,390,744.64 : 479,407,556.58 = 188,627,559.12 : x - Step 2: Convert to fraction form
347,390,744.64/479,407,556.58 = 188,627,559.12/x - Step 3: Cross multiply
347,390,744.64x = 479,407,556.58 × 188,627,559.12 - Step 4: Simplify right side
347,390,744.64x = 90,429,477,221,368,688 - Step 5: Solve for x
x = 90,429,477,221,368,688/347,390,744.64 - Step 6: Final answer
x = 260,310,554.09
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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.