Finding the Fourth Proportional to 2,177,894,793,584.60, 3,005,758,363,449.20 and 1,239,544,091,777
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Solution
The fourth proportional to 2,177,894,793,584.60, 3,005,758,363,449.20 and 1,239,544,091,777 is: 1,710,720,844,596.22
Step by Step Solution
- Step 1: Write the proportion equation
2,177,894,793,584.60 : 3,005,758,363,449.20 = 1,239,544,091,777 : x - Step 2: Convert to fraction form
2,177,894,793,584.60/3,005,758,363,449.20 = 1,239,544,091,777/x - Step 3: Cross multiply
2,177,894,793,584.60x = 3,005,758,363,449.20 × 1,239,544,091,777 - Step 4: Simplify right side
2,177,894,793,584.60x = 3,725,770,020,722,760,981,938,176 - Step 5: Solve for x
x = 3,725,770,020,722,760,981,938,176/2,177,894,793,584.60 - Step 6: Final answer
x = 1,710,720,844,596.22
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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.