Finding the Fourth Proportional to 18,318,483,837.98, 27,479,308,585.50 and 5,053,742,119.26
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Solution
The fourth proportional to 18,318,483,837.98, 27,479,308,585.50 and 5,053,742,119.26 is: 7,581,049,852.98
Step by Step Solution
- Step 1: Write the proportion equation
18,318,483,837.98 : 27,479,308,585.50 = 5,053,742,119.26 : x - Step 2: Convert to fraction form
18,318,483,837.98/27,479,308,585.50 = 5,053,742,119.26/x - Step 3: Cross multiply
18,318,483,837.98x = 27,479,308,585.50 × 5,053,742,119.26 - Step 4: Simplify right side
18,318,483,837.98x = 138,873,339,206,684,295,168 - Step 5: Solve for x
x = 138,873,339,206,684,295,168/18,318,483,837.98 - Step 6: Final answer
x = 7,581,049,852.98
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1.5x scale
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.