Finding the Fourth Proportional to 3,412,371,078.68, 4,709,089,502.11 and 1,907,022,554.19
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Solution
The fourth proportional to 3,412,371,078.68, 4,709,089,502.11 and 1,907,022,554.19 is: 2,631,700,856.44
Step by Step Solution
- Step 1: Write the proportion equation
3,412,371,078.68 : 4,709,089,502.11 = 1,907,022,554.19 : x - Step 2: Convert to fraction form
3,412,371,078.68/4,709,089,502.11 = 1,907,022,554.19/x - Step 3: Cross multiply
3,412,371,078.68x = 4,709,089,502.11 × 1,907,022,554.19 - Step 4: Simplify right side
3,412,371,078.68x = 8,980,339,890,232,282,112 - Step 5: Solve for x
x = 8,980,339,890,232,282,112/3,412,371,078.68 - Step 6: Final answer
x = 2,631,700,856.44
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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.