Finding the Fourth Proportional to 565,338,318.75, 848,007,787.95 and 258,415,198.02
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Solution
The fourth proportional to 565,338,318.75, 848,007,787.95 and 258,415,198.02 is: 387,622,938.65
Step by Step Solution
- Step 1: Write the proportion equation
565,338,318.75 : 848,007,787.95 = 258,415,198.02 : x - Step 2: Convert to fraction form
565,338,318.75/848,007,787.95 = 258,415,198.02/x - Step 3: Cross multiply
565,338,318.75x = 848,007,787.95 × 258,415,198.02 - Step 4: Simplify right side
565,338,318.75x = 219,138,100,445,601,440 - Step 5: Solve for x
x = 219,138,100,445,601,440/565,338,318.75 - Step 6: Final answer
x = 387,622,938.65
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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.