Finding the Fourth Proportional to 1,362,812,630.36, 2,044,218,712.26 and 430,789,745.48
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Solution
The fourth proportional to 1,362,812,630.36, 2,044,218,712.26 and 430,789,745.48 is: 646,184,544.48
Step by Step Solution
- Step 1: Write the proportion equation
1,362,812,630.36 : 2,044,218,712.26 = 430,789,745.48 : x - Step 2: Convert to fraction form
1,362,812,630.36/2,044,218,712.26 = 430,789,745.48/x - Step 3: Cross multiply
1,362,812,630.36x = 2,044,218,712.26 × 430,789,745.48 - Step 4: Simplify right side
1,362,812,630.36x = 880,628,458,759,938,816 - Step 5: Solve for x
x = 880,628,458,759,938,816/1,362,812,630.36 - Step 6: Final answer
x = 646,184,544.48
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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.