Finding the Fourth Proportional to 5,293,635,253.30, 7,305,347,649.56 and 2,882,449,930.96
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Solution
The fourth proportional to 5,293,635,253.30, 7,305,347,649.56 and 2,882,449,930.96 is: 3,977,852,235.85
Step by Step Solution
- Step 1: Write the proportion equation
5,293,635,253.30 : 7,305,347,649.56 = 2,882,449,930.96 : x - Step 2: Convert to fraction form
5,293,635,253.30/7,305,347,649.56 = 2,882,449,930.96/x - Step 3: Cross multiply
5,293,635,253.30x = 7,305,347,649.56 × 2,882,449,930.96 - Step 4: Simplify right side
5,293,635,253.30x = 21,057,298,828,113,022,976 - Step 5: Solve for x
x = 21,057,298,828,113,022,976/5,293,635,253.30 - Step 6: Final answer
x = 3,977,852,235.85
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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.