Finding the Fourth Proportional to 2,209,240,745.91, 3,048,816,864.17 and 1,205,722,677.56
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Solution
The fourth proportional to 2,209,240,745.91, 3,048,816,864.17 and 1,205,722,677.56 is: 1,663,932,570.34
Step by Step Solution
- Step 1: Write the proportion equation
2,209,240,745.91 : 3,048,816,864.17 = 1,205,722,677.56 : x - Step 2: Convert to fraction form
2,209,240,745.91/3,048,816,864.17 = 1,205,722,677.56/x - Step 3: Cross multiply
2,209,240,745.91x = 3,048,816,864.17 × 1,205,722,677.56 - Step 4: Simplify right side
2,209,240,745.91x = 3,676,027,632,844,905,984 - Step 5: Solve for x
x = 3,676,027,632,844,905,984/2,209,240,745.91 - Step 6: Final answer
x = 1,663,932,570.34
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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.