Finding the Fourth Proportional to 1,228,351,630.68, 1,843,255,520.10 and 452,541,658.59
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Solution
The fourth proportional to 1,228,351,630.68, 1,843,255,520.10 and 452,541,658.59 is: 679,080,720.40
Step by Step Solution
- Step 1: Write the proportion equation
1,228,351,630.68 : 1,843,255,520.10 = 452,541,658.59 : x - Step 2: Convert to fraction form
1,228,351,630.68/1,843,255,520.10 = 452,541,658.59/x - Step 3: Cross multiply
1,228,351,630.68x = 1,843,255,520.10 × 452,541,658.59 - Step 4: Simplify right side
1,228,351,630.68x = 834,149,910,271,227,008 - Step 5: Solve for x
x = 834,149,910,271,227,008/1,228,351,630.68 - Step 6: Final answer
x = 679,080,720.40
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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.