Finding the Fourth Proportional to 2,207,703,007.62, 3,311,161,317.74 and 879,619,742.07
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Solution
The fourth proportional to 2,207,703,007.62, 3,311,161,317.74 and 879,619,742.07 is: 1,319,272,952.12
Step by Step Solution
- Step 1: Write the proportion equation
2,207,703,007.62 : 3,311,161,317.74 = 879,619,742.07 : x - Step 2: Convert to fraction form
2,207,703,007.62/3,311,161,317.74 = 879,619,742.07/x - Step 3: Cross multiply
2,207,703,007.62x = 3,311,161,317.74 × 879,619,742.07 - Step 4: Simplify right side
2,207,703,007.62x = 2,912,562,864,266,118,144 - Step 5: Solve for x
x = 2,912,562,864,266,118,144/2,207,703,007.62 - Step 6: Final answer
x = 1,319,272,952.12
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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.