Finding the Fourth Proportional to 3,419,052,964, 4,718,246,790 and 1,913,678,867.68
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Solution
The fourth proportional to 3,419,052,964, 4,718,246,790 and 1,913,678,867.68 is: 2,640,850,922.64
Step by Step Solution
- Step 1: Write the proportion equation
3,419,052,964 : 4,718,246,790 = 1,913,678,867.68 : x - Step 2: Convert to fraction form
3,419,052,964/4,718,246,790 = 1,913,678,867.68/x - Step 3: Cross multiply
3,419,052,964x = 4,718,246,790 × 1,913,678,867.68 - Step 4: Simplify right side
3,419,052,964x = 9,029,209,174,521,995,264 - Step 5: Solve for x
x = 9,029,209,174,521,995,264/3,419,052,964 - Step 6: Final answer
x = 2,640,850,922.64
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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.