Finding the Fourth Proportional to 1,324,726,935.78, 1,828,135,261.73 and 730,032,757.70
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Solution
The fourth proportional to 1,324,726,935.78, 1,828,135,261.73 and 730,032,757.70 is: 1,007,451,868.39
Step by Step Solution
- Step 1: Write the proportion equation
1,324,726,935.78 : 1,828,135,261.73 = 730,032,757.70 : x - Step 2: Convert to fraction form
1,324,726,935.78/1,828,135,261.73 = 730,032,757.70/x - Step 3: Cross multiply
1,324,726,935.78x = 1,828,135,261.73 × 730,032,757.70 - Step 4: Simplify right side
1,324,726,935.78x = 1,334,598,626,562,047,744 - Step 5: Solve for x
x = 1,334,598,626,562,047,744/1,324,726,935.78 - Step 6: Final answer
x = 1,007,451,868.39
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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.