Finding the Fourth Proportional to 1,494,769,871.68, 2,062,742,442.36 and 825,700,517.08
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Solution
The fourth proportional to 1,494,769,871.68, 2,062,742,442.36 and 825,700,517.08 is: 1,139,444,628.59
Step by Step Solution
- Step 1: Write the proportion equation
1,494,769,871.68 : 2,062,742,442.36 = 825,700,517.08 : x - Step 2: Convert to fraction form
1,494,769,871.68/2,062,742,442.36 = 825,700,517.08/x - Step 3: Cross multiply
1,494,769,871.68x = 2,062,742,442.36 × 825,700,517.08 - Step 4: Simplify right side
1,494,769,871.68x = 1,703,207,501,259,514,112 - Step 5: Solve for x
x = 1,703,207,501,259,514,112/1,494,769,871.68 - Step 6: Final answer
x = 1,139,444,628.59
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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.