Finding the Fourth Proportional to 683,318,919.36, 1,026,613,551.12 and 438,155,883.96
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Solution
The fourth proportional to 683,318,919.36, 1,026,613,551.12 and 438,155,883.96 is: 658,282,326.50
Step by Step Solution
- Step 1: Write the proportion equation
683,318,919.36 : 1,026,613,551.12 = 438,155,883.96 : x - Step 2: Convert to fraction form
683,318,919.36/1,026,613,551.12 = 438,155,883.96/x - Step 3: Cross multiply
683,318,919.36x = 1,026,613,551.12 × 438,155,883.96 - Step 4: Simplify right side
683,318,919.36x = 449,816,767,976,298,240 - Step 5: Solve for x
x = 449,816,767,976,298,240/683,318,919.36 - Step 6: Final answer
x = 658,282,326.50
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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.