Finding the Fourth Proportional to 1,917,451,014.23, 2,647,909,895.69 and 1,812,989,476.59
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Solution
The fourth proportional to 1,917,451,014.23, 2,647,909,895.69 and 1,812,989,476.59 is: 2,503,653,412.90
Step by Step Solution
- Step 1: Write the proportion equation
1,917,451,014.23 : 2,647,909,895.69 = 1,812,989,476.59 : x - Step 2: Convert to fraction form
1,917,451,014.23/2,647,909,895.69 = 1,812,989,476.59/x - Step 3: Cross multiply
1,917,451,014.23x = 2,647,909,895.69 × 1,812,989,476.59 - Step 4: Simplify right side
1,917,451,014.23x = 4,800,632,775,835,428,864 - Step 5: Solve for x
x = 4,800,632,775,835,428,864/1,917,451,014.23 - Step 6: Final answer
x = 2,503,653,412.90
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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.