Finding the Fourth Proportional to 996,382,822.18, 1,375,008,242.09 and 538,092,324.89
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Solution
The fourth proportional to 996,382,822.18, 1,375,008,242.09 and 538,092,324.89 is: 742,567,379.99
Step by Step Solution
- Step 1: Write the proportion equation
996,382,822.18 : 1,375,008,242.09 = 538,092,324.89 : x - Step 2: Convert to fraction form
996,382,822.18/1,375,008,242.09 = 538,092,324.89/x - Step 3: Cross multiply
996,382,822.18x = 1,375,008,242.09 × 538,092,324.89 - Step 4: Simplify right side
996,382,822.18x = 739,881,381,729,120,000 - Step 5: Solve for x
x = 739,881,381,729,120,000/996,382,822.18 - Step 6: Final answer
x = 742,567,379.99
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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.