Finding the Fourth Proportional to 1,352,556,728.92, 2,029,529,275.89 and 644,307,374.94
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Solution
The fourth proportional to 1,352,556,728.92, 2,029,529,275.89 and 644,307,374.94 is: 966,791,744.95
Step by Step Solution
- Step 1: Write the proportion equation
1,352,556,728.92 : 2,029,529,275.89 = 644,307,374.94 : x - Step 2: Convert to fraction form
1,352,556,728.92/2,029,529,275.89 = 644,307,374.94/x - Step 3: Cross multiply
1,352,556,728.92x = 2,029,529,275.89 × 644,307,374.94 - Step 4: Simplify right side
1,352,556,728.92x = 1,307,640,680,102,485,504 - Step 5: Solve for x
x = 1,307,640,680,102,485,504/1,352,556,728.92 - Step 6: Final answer
x = 966,791,744.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.