Finding the Fourth Proportional to 1,917,453,600.16, 2,647,913,455.62 and 1,812,992,056.12
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Solution
The fourth proportional to 1,917,453,600.16, 2,647,913,455.62 and 1,812,992,056.12 is: 2,503,656,964.60
Step by Step Solution
- Step 1: Write the proportion equation
1,917,453,600.16 : 2,647,913,455.62 = 1,812,992,056.12 : x - Step 2: Convert to fraction form
1,917,453,600.16/2,647,913,455.62 = 1,812,992,056.12/x - Step 3: Cross multiply
1,917,453,600.16x = 2,647,913,455.62 × 1,812,992,056.12 - Step 4: Simplify right side
1,917,453,600.16x = 4,800,646,060,332,317,696 - Step 5: Solve for x
x = 4,800,646,060,332,317,696/1,917,453,600.16 - Step 6: Final answer
x = 2,503,656,964.60
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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.