Finding the Fourth Proportional to 1,324,975,644.80, 1,828,391,760.64 and 730,258,317.44
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Solution
The fourth proportional to 1,324,975,644.80, 1,828,391,760.64 and 730,258,317.44 is: 1,007,715,346.31
Step by Step Solution
- Step 1: Write the proportion equation
1,324,975,644.80 : 1,828,391,760.64 = 730,258,317.44 : x - Step 2: Convert to fraction form
1,324,975,644.80/1,828,391,760.64 = 730,258,317.44/x - Step 3: Cross multiply
1,324,975,644.80x = 1,828,391,760.64 × 730,258,317.44 - Step 4: Simplify right side
1,324,975,644.80x = 1,335,198,290,746,125,824 - Step 5: Solve for x
x = 1,335,198,290,746,125,824/1,324,975,644.80 - Step 6: Final answer
x = 1,007,715,346.31
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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.