Finding the Fourth Proportional to 4,638,299,204.40, 6,957,448,806.60 and 1,574,679,620.40
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Solution
The fourth proportional to 4,638,299,204.40, 6,957,448,806.60 and 1,574,679,620.40 is: 2,362,019,430.60
Step by Step Solution
- Step 1: Write the proportion equation
4,638,299,204.40 : 6,957,448,806.60 = 1,574,679,620.40 : x - Step 2: Convert to fraction form
4,638,299,204.40/6,957,448,806.60 = 1,574,679,620.40/x - Step 3: Cross multiply
4,638,299,204.40x = 6,957,448,806.60 × 1,574,679,620.40 - Step 4: Simplify right side
4,638,299,204.40x = 10,955,752,845,729,323,008 - Step 5: Solve for x
x = 10,955,752,845,729,323,008/4,638,299,204.40 - Step 6: Final answer
x = 2,362,019,430.60
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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.