Finding the Fourth Proportional to 1,718,827,339,415.10, 2,371,989,102,687.90 and 937,577,492,260.90
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Solution
The fourth proportional to 1,718,827,339,415.10, 2,371,989,102,687.90 and 937,577,492,260.90 is: 1,293,860,961,814.28
Step by Step Solution
- Step 1: Write the proportion equation
1,718,827,339,415.10 : 2,371,989,102,687.90 = 937,577,492,260.90 : x - Step 2: Convert to fraction form
1,718,827,339,415.10/2,371,989,102,687.90 = 937,577,492,260.90/x - Step 3: Cross multiply
1,718,827,339,415.10x = 2,371,989,102,687.90 × 937,577,492,260.90 - Step 4: Simplify right side
1,718,827,339,415.10x = 2,223,923,594,568,303,739,142,144 - Step 5: Solve for x
x = 2,223,923,594,568,303,739,142,144/1,718,827,339,415.10 - Step 6: Final answer
x = 1,293,860,961,814.28
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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.