Finding the Fourth Proportional to 792,583,147.19, 1,093,633,508.54 and 458,086,817.96
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Solution
The fourth proportional to 792,583,147.19, 1,093,633,508.54 and 458,086,817.96 is: 632,083,959.55
Step by Step Solution
- Step 1: Write the proportion equation
792,583,147.19 : 1,093,633,508.54 = 458,086,817.96 : x - Step 2: Convert to fraction form
792,583,147.19/1,093,633,508.54 = 458,086,817.96/x - Step 3: Cross multiply
792,583,147.19x = 1,093,633,508.54 × 458,086,817.96 - Step 4: Simplify right side
792,583,147.19x = 500,979,093,946,125,952 - Step 5: Solve for x
x = 500,979,093,946,125,952/792,583,147.19 - Step 6: Final answer
x = 632,083,959.55
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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.