Finding the Fourth Proportional to 341,878,211.28, 471,793,573.96 and 185,245,276.74
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Solution
The fourth proportional to 341,878,211.28, 471,793,573.96 and 185,245,276.74 is: 255,639,371.83
Step by Step Solution
- Step 1: Write the proportion equation
341,878,211.28 : 471,793,573.96 = 185,245,276.74 : x - Step 2: Convert to fraction form
341,878,211.28/471,793,573.96 = 185,245,276.74/x - Step 3: Cross multiply
341,878,211.28x = 471,793,573.96 × 185,245,276.74 - Step 4: Simplify right side
341,878,211.28x = 87,397,531,172,373,856 - Step 5: Solve for x
x = 87,397,531,172,373,856/341,878,211.28 - Step 6: Final answer
x = 255,639,371.83
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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.