Finding the Fourth Proportional to 7,167,821,267.18, 10,755,586,632.45 and 6,906,923,889.50
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Solution
The fourth proportional to 7,167,821,267.18, 10,755,586,632.45 and 6,906,923,889.50 is: 10,364,100,259.78
Step by Step Solution
- Step 1: Write the proportion equation
7,167,821,267.18 : 10,755,586,632.45 = 6,906,923,889.50 : x - Step 2: Convert to fraction form
7,167,821,267.18/10,755,586,632.45 = 6,906,923,889.50/x - Step 3: Cross multiply
7,167,821,267.18x = 10,755,586,632.45 × 6,906,923,889.50 - Step 4: Simplify right side
7,167,821,267.18x = 74,288,018,257,255,759,872 - Step 5: Solve for x
x = 74,288,018,257,255,759,872/7,167,821,267.18 - Step 6: Final answer
x = 10,364,100,259.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.