Finding the Fourth Proportional to 1,511,594,625.80, 2,267,391,938.70 and 490,388,097.80
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Solution
The fourth proportional to 1,511,594,625.80, 2,267,391,938.70 and 490,388,097.80 is: 735,582,146.70
Step by Step Solution
- Step 1: Write the proportion equation
1,511,594,625.80 : 2,267,391,938.70 = 490,388,097.80 : x - Step 2: Convert to fraction form
1,511,594,625.80/2,267,391,938.70 = 490,388,097.80/x - Step 3: Cross multiply
1,511,594,625.80x = 2,267,391,938.70 × 490,388,097.80 - Step 4: Simplify right side
1,511,594,625.80x = 1,111,902,019,786,147,200 - Step 5: Solve for x
x = 1,111,902,019,786,147,200/1,511,594,625.80 - Step 6: Final answer
x = 735,582,146.70
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1.5x scale
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.