Finding the Fourth Proportional to 276,211,224,633.91, 381,167,433,430.72 and 154,277,738,519.97
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Solution
The fourth proportional to 276,211,224,633.91, 381,167,433,430.72 and 154,277,738,519.97 is: 212,901,013,364.30
Step by Step Solution
- Step 1: Write the proportion equation
276,211,224,633.91 : 381,167,433,430.72 = 154,277,738,519.97 : x - Step 2: Convert to fraction form
276,211,224,633.91/381,167,433,430.72 = 154,277,738,519.97/x - Step 3: Cross multiply
276,211,224,633.91x = 381,167,433,430.72 × 154,277,738,519.97 - Step 4: Simplify right side
276,211,224,633.91x = 58,805,649,627,152,685,989,888 - Step 5: Solve for x
x = 58,805,649,627,152,685,989,888/276,211,224,633.91 - Step 6: Final answer
x = 212,901,013,364.30
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1.5x scale
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.