Finding the Fourth Proportional to 1,414,556,551.08, 1,937,949,390 and 1,361,539,302.12
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Solution
The fourth proportional to 1,414,556,551.08, 1,937,949,390 and 1,361,539,302.12 is: 1,865,315,499.75
Step by Step Solution
- Step 1: Write the proportion equation
1,414,556,551.08 : 1,937,949,390 = 1,361,539,302.12 : x - Step 2: Convert to fraction form
1,414,556,551.08/1,937,949,390 = 1,361,539,302.12/x - Step 3: Cross multiply
1,414,556,551.08x = 1,937,949,390 × 1,361,539,302.12 - Step 4: Simplify right side
1,414,556,551.08x = 2,638,594,260,004,479,488 - Step 5: Solve for x
x = 2,638,594,260,004,479,488/1,414,556,551.08 - Step 6: Final answer
x = 1,865,315,499.75
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.