Finding the Fourth Proportional to 1,996,102,627.92, 2,993,517,171.99 and 685,688,696.15
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Solution
The fourth proportional to 1,996,102,627.92, 2,993,517,171.99 and 685,688,696.15 is: 1,028,314,305.01
Step by Step Solution
- Step 1: Write the proportion equation
1,996,102,627.92 : 2,993,517,171.99 = 685,688,696.15 : x - Step 2: Convert to fraction form
1,996,102,627.92/2,993,517,171.99 = 685,688,696.15/x - Step 3: Cross multiply
1,996,102,627.92x = 2,993,517,171.99 × 685,688,696.15 - Step 4: Simplify right side
1,996,102,627.92x = 2,052,620,886,549,490,688 - Step 5: Solve for x
x = 2,052,620,886,549,490,688/1,996,102,627.92 - Step 6: Final answer
x = 1,028,314,305.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.