Finding the Fourth Proportional to 6,335,434,812.47, 8,738,923,212.56 and 3,758,634,216.23
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Solution
The fourth proportional to 6,335,434,812.47, 8,738,923,212.56 and 3,758,634,216.23 is: 5,184,555,878.48
Step by Step Solution
- Step 1: Write the proportion equation
6,335,434,812.47 : 8,738,923,212.56 = 3,758,634,216.23 : x - Step 2: Convert to fraction form
6,335,434,812.47/8,738,923,212.56 = 3,758,634,216.23/x - Step 3: Cross multiply
6,335,434,812.47x = 8,738,923,212.56 × 3,758,634,216.23 - Step 4: Simplify right side
6,335,434,812.47x = 32,846,415,799,700,312,064 - Step 5: Solve for x
x = 32,846,415,799,700,312,064/6,335,434,812.47 - Step 6: Final answer
x = 5,184,555,878.48
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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.