Finding the Fourth Proportional to 1,639,268,857.48, 2,261,828,545.84 and 1,004,323,504.36
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Solution
The fourth proportional to 1,639,268,857.48, 2,261,828,545.84 and 1,004,323,504.36 is: 1,385,744,358.56
Step by Step Solution
- Step 1: Write the proportion equation
1,639,268,857.48 : 2,261,828,545.84 = 1,004,323,504.36 : x - Step 2: Convert to fraction form
1,639,268,857.48/2,261,828,545.84 = 1,004,323,504.36/x - Step 3: Cross multiply
1,639,268,857.48x = 2,261,828,545.84 × 1,004,323,504.36 - Step 4: Simplify right side
1,639,268,857.48x = 2,271,607,571,419,511,808 - Step 5: Solve for x
x = 2,271,607,571,419,511,808/1,639,268,857.48 - Step 6: Final answer
x = 1,385,744,358.56
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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.