Finding the Fourth Proportional to 1,526,487,142.96, 2,106,603,409.36 and 848,332,672.08
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Solution
The fourth proportional to 1,526,487,142.96, 2,106,603,409.36 and 848,332,672.08 is: 1,170,727,514.82
Step by Step Solution
- Step 1: Write the proportion equation
1,526,487,142.96 : 2,106,603,409.36 = 848,332,672.08 : x - Step 2: Convert to fraction form
1,526,487,142.96/2,106,603,409.36 = 848,332,672.08/x - Step 3: Cross multiply
1,526,487,142.96x = 2,106,603,409.36 × 848,332,672.08 - Step 4: Simplify right side
1,526,487,142.96x = 1,787,100,499,275,206,912 - Step 5: Solve for x
x = 1,787,100,499,275,206,912/1,526,487,142.96 - Step 6: Final answer
x = 1,170,727,514.82
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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.