Finding the Fourth Proportional to 1,228,351,632.93, 1,843,255,523.48 and 452,541,660.84
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Solution
The fourth proportional to 1,228,351,632.93, 1,843,255,523.48 and 452,541,660.84 is: 679,080,723.78
Step by Step Solution
- Step 1: Write the proportion equation
1,228,351,632.93 : 1,843,255,523.48 = 452,541,660.84 : x - Step 2: Convert to fraction form
1,228,351,632.93/1,843,255,523.48 = 452,541,660.84/x - Step 3: Cross multiply
1,228,351,632.93x = 1,843,255,523.48 × 452,541,660.84 - Step 4: Simplify right side
1,228,351,632.93x = 834,149,915,945,880,064 - Step 5: Solve for x
x = 834,149,915,945,880,064/1,228,351,632.93 - Step 6: Final answer
x = 679,080,723.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.