Finding the Fourth Proportional to 415,933,750.64, 574,006,511.07 and 230,294,782.73
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Solution
The fourth proportional to 415,933,750.64, 574,006,511.07 and 230,294,782.73 is: 317,816,730.55
Step by Step Solution
- Step 1: Write the proportion equation
415,933,750.64 : 574,006,511.07 = 230,294,782.73 : x - Step 2: Convert to fraction form
415,933,750.64/574,006,511.07 = 230,294,782.73/x - Step 3: Cross multiply
415,933,750.64x = 574,006,511.07 × 230,294,782.73 - Step 4: Simplify right side
415,933,750.64x = 132,190,704,753,906,016 - Step 5: Solve for x
x = 132,190,704,753,906,016/415,933,750.64 - Step 6: Final answer
x = 317,816,730.55
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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.