Finding the Fourth Proportional to 8,313,277,745.20, 11,472,231,956.29 and 4,502,705,894.68
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Solution
The fourth proportional to 8,313,277,745.20, 11,472,231,956.29 and 4,502,705,894.68 is: 6,213,684,666.62
Step by Step Solution
- Step 1: Write the proportion equation
8,313,277,745.20 : 11,472,231,956.29 = 4,502,705,894.68 : x - Step 2: Convert to fraction form
8,313,277,745.20/11,472,231,956.29 = 4,502,705,894.68/x - Step 3: Cross multiply
8,313,277,745.20x = 11,472,231,956.29 × 4,502,705,894.68 - Step 4: Simplify right side
8,313,277,745.20x = 51,656,086,454,643,376,128 - Step 5: Solve for x
x = 51,656,086,454,643,376,128/8,313,277,745.20 - Step 6: Final answer
x = 6,213,684,666.62
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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.