Finding the Fourth Proportional to 1,325,553,259.47, 1,988,534,192.97 and 451,950,324.00
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Solution
The fourth proportional to 1,325,553,259.47, 1,988,534,192.97 and 451,950,324.00 is: 677,995,143.82
Step by Step Solution
- Step 1: Write the proportion equation
1,325,553,259.47 : 1,988,534,192.97 = 451,950,324.00 : x - Step 2: Convert to fraction form
1,325,553,259.47/1,988,534,192.97 = 451,950,324.00/x - Step 3: Cross multiply
1,325,553,259.47x = 1,988,534,192.97 × 451,950,324.00 - Step 4: Simplify right side
1,325,553,259.47x = 898,718,672,790,412,928 - Step 5: Solve for x
x = 898,718,672,790,412,928/1,325,553,259.47 - Step 6: Final answer
x = 677,995,143.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.