Finding the Fourth Proportional to 3,370,918,090.11, 4,651,761,902.63 and 1,865,453,862.39
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Solution
The fourth proportional to 3,370,918,090.11, 4,651,761,902.63 and 1,865,453,862.39 is: 2,574,268,189.32
Step by Step Solution
- Step 1: Write the proportion equation
3,370,918,090.11 : 4,651,761,902.63 = 1,865,453,862.39 : x - Step 2: Convert to fraction form
3,370,918,090.11/4,651,761,902.63 = 1,865,453,862.39/x - Step 3: Cross multiply
3,370,918,090.11x = 4,651,761,902.63 × 1,865,453,862.39 - Step 4: Simplify right side
3,370,918,090.11x = 8,677,647,208,170,462,208 - Step 5: Solve for x
x = 8,677,647,208,170,462,208/3,370,918,090.11 - Step 6: Final answer
x = 2,574,268,189.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.