Finding the Fourth Proportional to 1,313,576,346.07, 1,812,734,186.44 and 741,479,817.96
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Solution
The fourth proportional to 1,313,576,346.07, 1,812,734,186.44 and 741,479,817.96 is: 1,023,241,487.71
Step by Step Solution
- Step 1: Write the proportion equation
1,313,576,346.07 : 1,812,734,186.44 = 741,479,817.96 : x - Step 2: Convert to fraction form
1,313,576,346.07/1,812,734,186.44 = 741,479,817.96/x - Step 3: Cross multiply
1,313,576,346.07x = 1,812,734,186.44 × 741,479,817.96 - Step 4: Simplify right side
1,313,576,346.07x = 1,344,105,814,571,399,936 - Step 5: Solve for x
x = 1,344,105,814,571,399,936/1,313,576,346.07 - Step 6: Final answer
x = 1,023,241,487.71
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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.