Finding the Fourth Proportional to 276,520,918,204.50, 381,660,256,013.76 and 168,110,979,771.66
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Solution
The fourth proportional to 276,520,918,204.50, 381,660,256,013.76 and 168,110,979,771.66 is: 232,030,473,480.95
Step by Step Solution
- Step 1: Write the proportion equation
276,520,918,204.50 : 381,660,256,013.76 = 168,110,979,771.66 : x - Step 2: Convert to fraction form
276,520,918,204.50/381,660,256,013.76 = 168,110,979,771.66/x - Step 3: Cross multiply
276,520,918,204.50x = 381,660,256,013.76 × 168,110,979,771.66 - Step 4: Simplify right side
276,520,918,204.50x = 64,161,279,578,375,786,070,016 - Step 5: Solve for x
x = 64,161,279,578,375,786,070,016/276,520,918,204.50 - Step 6: Final answer
x = 232,030,473,480.95
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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.