Finding the Fourth Proportional to 342,701,655.44, 473,317,668.24 and 230,999,843.12
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Solution
The fourth proportional to 342,701,655.44, 473,317,668.24 and 230,999,843.12 is: 319,042,249.65
Step by Step Solution
- Step 1: Write the proportion equation
342,701,655.44 : 473,317,668.24 = 230,999,843.12 : x - Step 2: Convert to fraction form
342,701,655.44/473,317,668.24 = 230,999,843.12/x - Step 3: Cross multiply
342,701,655.44x = 473,317,668.24 × 230,999,843.12 - Step 4: Simplify right side
342,701,655.44x = 109,336,307,109,364,208 - Step 5: Solve for x
x = 109,336,307,109,364,208/342,701,655.44 - Step 6: Final answer
x = 319,042,249.65
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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.