Finding the Fourth Proportional to 2,772,886,246.92, 3,826,675,562.81 and 1,519,826,313.60
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Solution
The fourth proportional to 2,772,886,246.92, 3,826,675,562.81 and 1,519,826,313.60 is: 2,097,411,035.31
Step by Step Solution
- Step 1: Write the proportion equation
2,772,886,246.92 : 3,826,675,562.81 = 1,519,826,313.60 : x - Step 2: Convert to fraction form
2,772,886,246.92/3,826,675,562.81 = 1,519,826,313.60/x - Step 3: Cross multiply
2,772,886,246.92x = 3,826,675,562.81 × 1,519,826,313.60 - Step 4: Simplify right side
2,772,886,246.92x = 5,815,882,213,961,127,936 - Step 5: Solve for x
x = 5,815,882,213,961,127,936/2,772,886,246.92 - Step 6: Final answer
x = 2,097,411,035.31
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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.