Finding the Fourth Proportional to 1,639,268,859.48, 2,261,828,548.60 and 1,004,323,506.36
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Solution
The fourth proportional to 1,639,268,859.48, 2,261,828,548.60 and 1,004,323,506.36 is: 1,385,744,361.32
Step by Step Solution
- Step 1: Write the proportion equation
1,639,268,859.48 : 2,261,828,548.60 = 1,004,323,506.36 : x - Step 2: Convert to fraction form
1,639,268,859.48/2,261,828,548.60 = 1,004,323,506.36/x - Step 3: Cross multiply
1,639,268,859.48x = 2,261,828,548.60 × 1,004,323,506.36 - Step 4: Simplify right side
1,639,268,859.48x = 2,271,607,578,715,101,696 - Step 5: Solve for x
x = 2,271,607,578,715,101,696/1,639,268,859.48 - Step 6: Final answer
x = 1,385,744,361.32
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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.