Finding the Fourth Proportional to 3,786,741,455.40, 5,225,602,966.68 and 2,116,004,325.48
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Solution
The fourth proportional to 3,786,741,455.40, 5,225,602,966.68 and 2,116,004,325.48 is: 2,920,029,954.77
Step by Step Solution
- Step 1: Write the proportion equation
3,786,741,455.40 : 5,225,602,966.68 = 2,116,004,325.48 : x - Step 2: Convert to fraction form
3,786,741,455.40/5,225,602,966.68 = 2,116,004,325.48/x - Step 3: Cross multiply
3,786,741,455.40x = 5,225,602,966.68 × 2,116,004,325.48 - Step 4: Simplify right side
3,786,741,455.40x = 11,057,398,480,736,002,048 - Step 5: Solve for x
x = 11,057,398,480,736,002,048/3,786,741,455.40 - Step 6: Final answer
x = 2,920,029,954.77
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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.