Finding the Fourth Proportional to 2,147,933,721.14, 2,964,127,119.20 and 1,195,298,141.68
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Solution
The fourth proportional to 2,147,933,721.14, 2,964,127,119.20 and 1,195,298,141.68 is: 1,649,499,517.80
Step by Step Solution
- Step 1: Write the proportion equation
2,147,933,721.14 : 2,964,127,119.20 = 1,195,298,141.68 : x - Step 2: Convert to fraction form
2,147,933,721.14/2,964,127,119.20 = 1,195,298,141.68/x - Step 3: Cross multiply
2,147,933,721.14x = 2,964,127,119.20 × 1,195,298,141.68 - Step 4: Simplify right side
2,147,933,721.14x = 3,543,015,637,283,052,032 - Step 5: Solve for x
x = 3,543,015,637,283,052,032/2,147,933,721.14 - Step 6: Final answer
x = 1,649,499,517.80
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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.