Finding the Fourth Proportional to 7,201,252,527.58, 10,787,902,066.41 and 5,307,008,520.70
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Solution
The fourth proportional to 7,201,252,527.58, 10,787,902,066.41 and 5,307,008,520.70 is: 7,950,212,545.34
Step by Step Solution
- Step 1: Write the proportion equation
7,201,252,527.58 : 10,787,902,066.41 = 5,307,008,520.70 : x - Step 2: Convert to fraction form
7,201,252,527.58/10,787,902,066.41 = 5,307,008,520.70/x - Step 3: Cross multiply
7,201,252,527.58x = 10,787,902,066.41 × 5,307,008,520.70 - Step 4: Simplify right side
7,201,252,527.58x = 57,251,488,186,915,004,416 - Step 5: Solve for x
x = 57,251,488,186,915,004,416/7,201,252,527.58 - Step 6: Final answer
x = 7,950,212,545.34
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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.