Finding the Fourth Proportional to 499,347,838.83, 749,317,662.99 and 278,204,277.81
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Solution
The fourth proportional to 499,347,838.83, 749,317,662.99 and 278,204,277.81 is: 417,471,275.68
Step by Step Solution
- Step 1: Write the proportion equation
499,347,838.83 : 749,317,662.99 = 278,204,277.81 : x - Step 2: Convert to fraction form
499,347,838.83/749,317,662.99 = 278,204,277.81/x - Step 3: Cross multiply
499,347,838.83x = 749,317,662.99 × 278,204,277.81 - Step 4: Simplify right side
499,347,838.83x = 208,463,379,282,409,920 - Step 5: Solve for x
x = 208,463,379,282,409,920/499,347,838.83 - Step 6: Final answer
x = 417,471,275.68
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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.