Finding the Fourth Proportional to 505,184,958.96, 697,155,234.84 and 273,397,950.96
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Solution
The fourth proportional to 505,184,958.96, 697,155,234.84 and 273,397,950.96 is: 377,289,167.71
Step by Step Solution
- Step 1: Write the proportion equation
505,184,958.96 : 697,155,234.84 = 273,397,950.96 : x - Step 2: Convert to fraction form
505,184,958.96/697,155,234.84 = 273,397,950.96/x - Step 3: Cross multiply
505,184,958.96x = 697,155,234.84 × 273,397,950.96 - Step 4: Simplify right side
505,184,958.96x = 190,600,812,706,293,600 - Step 5: Solve for x
x = 190,600,812,706,293,600/505,184,958.96 - Step 6: Final answer
x = 377,289,167.71
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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.