Finding the Fourth Proportional to 55,261,757,393.68, 76,261,224,612.80 and 29,887,228,725.42
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Solution
The fourth proportional to 55,261,757,393.68, 76,261,224,612.80 and 29,887,228,725.42 is: 41,244,375,321.73
Step by Step Solution
- Step 1: Write the proportion equation
55,261,757,393.68 : 76,261,224,612.80 = 29,887,228,725.42 : x - Step 2: Convert to fraction form
55,261,757,393.68/76,261,224,612.80 = 29,887,228,725.42/x - Step 3: Cross multiply
55,261,757,393.68x = 76,261,224,612.80 × 29,887,228,725.42 - Step 4: Simplify right side
55,261,757,393.68x = 2,279,236,662,883,628,351,488 - Step 5: Solve for x
x = 2,279,236,662,883,628,351,488/55,261,757,393.68 - Step 6: Final answer
x = 41,244,375,321.73
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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.