Finding the Fourth Proportional to 852,091,567.70, 1,278,137,351.55 and 367,417,375.70
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Solution
The fourth proportional to 852,091,567.70, 1,278,137,351.55 and 367,417,375.70 is: 551,126,063.55
Step by Step Solution
- Step 1: Write the proportion equation
852,091,567.70 : 1,278,137,351.55 = 367,417,375.70 : x - Step 2: Convert to fraction form
852,091,567.70/1,278,137,351.55 = 367,417,375.70/x - Step 3: Cross multiply
852,091,567.70x = 1,278,137,351.55 × 367,417,375.70 - Step 4: Simplify right side
852,091,567.70x = 469,609,871,490,649,280 - Step 5: Solve for x
x = 469,609,871,490,649,280/852,091,567.70 - Step 6: Final answer
x = 551,126,063.55
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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.