Finding the Fourth Proportional to 4,314,539,448.91, 5,952,370,356.34 and 2,505,743,407.18
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Solution
The fourth proportional to 4,314,539,448.91, 5,952,370,356.34 and 2,505,743,407.18 is: 3,456,942,033.82
Step by Step Solution
- Step 1: Write the proportion equation
4,314,539,448.91 : 5,952,370,356.34 = 2,505,743,407.18 : x - Step 2: Convert to fraction form
4,314,539,448.91/5,952,370,356.34 = 2,505,743,407.18/x - Step 3: Cross multiply
4,314,539,448.91x = 5,952,370,356.34 × 2,505,743,407.18 - Step 4: Simplify right side
4,314,539,448.91x = 14,915,112,777,492,621,312 - Step 5: Solve for x
x = 14,915,112,777,492,621,312/4,314,539,448.91 - Step 6: Final answer
x = 3,456,942,033.82
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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.