Finding the Fourth Proportional to 1,812,456,415.80, 2,718,684,623.70 and 1,608,215,110.20
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Solution
The fourth proportional to 1,812,456,415.80, 2,718,684,623.70 and 1,608,215,110.20 is: 2,412,322,665.30
Step by Step Solution
- Step 1: Write the proportion equation
1,812,456,415.80 : 2,718,684,623.70 = 1,608,215,110.20 : x - Step 2: Convert to fraction form
1,812,456,415.80/2,718,684,623.70 = 1,608,215,110.20/x - Step 3: Cross multiply
1,812,456,415.80x = 2,718,684,623.70 × 1,608,215,110.20 - Step 4: Simplify right side
1,812,456,415.80x = 4,372,229,691,702,740,992 - Step 5: Solve for x
x = 4,372,229,691,702,740,992/1,812,456,415.80 - Step 6: Final answer
x = 2,412,322,665.30
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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.