Finding the Fourth Proportional to 5,532,131,468.88, 7,634,364,270.84 and 2,991,813,381.07
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Solution
The fourth proportional to 5,532,131,468.88, 7,634,364,270.84 and 2,991,813,381.07 is: 4,128,714,819.94
Step by Step Solution
- Step 1: Write the proportion equation
5,532,131,468.88 : 7,634,364,270.84 = 2,991,813,381.07 : x - Step 2: Convert to fraction form
5,532,131,468.88/7,634,364,270.84 = 2,991,813,381.07/x - Step 3: Cross multiply
5,532,131,468.88x = 7,634,364,270.84 × 2,991,813,381.07 - Step 4: Simplify right side
5,532,131,468.88x = 22,840,593,181,438,115,840 - Step 5: Solve for x
x = 22,840,593,181,438,115,840/5,532,131,468.88 - Step 6: Final answer
x = 4,128,714,819.94
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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.