Finding the Fourth Proportional to 317,610,845.80, 476,416,268.70 and 236,989,277.80
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Solution
The fourth proportional to 317,610,845.80, 476,416,268.70 and 236,989,277.80 is: 355,483,916.70
Step by Step Solution
- Step 1: Write the proportion equation
317,610,845.80 : 476,416,268.70 = 236,989,277.80 : x - Step 2: Convert to fraction form
317,610,845.80/476,416,268.70 = 236,989,277.80/x - Step 3: Cross multiply
317,610,845.80x = 476,416,268.70 × 236,989,277.80 - Step 4: Simplify right side
317,610,845.80x = 112,905,547,451,383,744 - Step 5: Solve for x
x = 112,905,547,451,383,744/317,610,845.80 - Step 6: Final answer
x = 355,483,916.70
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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.