Finding the Fourth Proportional to 1,901,268,524.68, 2,849,889,942.94 and 639,531,495.26
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Solution
The fourth proportional to 1,901,268,524.68, 2,849,889,942.94 and 639,531,495.26 is: 958,620,180.62
Step by Step Solution
- Step 1: Write the proportion equation
1,901,268,524.68 : 2,849,889,942.94 = 639,531,495.26 : x - Step 2: Convert to fraction form
1,901,268,524.68/2,849,889,942.94 = 639,531,495.26/x - Step 3: Cross multiply
1,901,268,524.68x = 2,849,889,942.94 × 639,531,495.26 - Step 4: Simplify right side
1,901,268,524.68x = 1,822,594,376,534,854,400 - Step 5: Solve for x
x = 1,822,594,376,534,854,400/1,901,268,524.68 - Step 6: Final answer
x = 958,620,180.62
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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.