Finding the Fourth Proportional to 3,729,256,038.96, 5,146,372,557.80 and 2,058,504,737.36
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Solution
The fourth proportional to 3,729,256,038.96, 5,146,372,557.80 and 2,058,504,737.36 is: 2,840,736,109.23
Step by Step Solution
- Step 1: Write the proportion equation
3,729,256,038.96 : 5,146,372,557.80 = 2,058,504,737.36 : x - Step 2: Convert to fraction form
3,729,256,038.96/5,146,372,557.80 = 2,058,504,737.36/x - Step 3: Cross multiply
3,729,256,038.96x = 5,146,372,557.80 × 2,058,504,737.36 - Step 4: Simplify right side
3,729,256,038.96x = 10,593,832,290,450,800,640 - Step 5: Solve for x
x = 10,593,832,290,450,800,640/3,729,256,038.96 - Step 6: Final answer
x = 2,840,736,109.23
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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.