Finding the Fourth Proportional to 358,874,220.78, 495,338,563.17 and 233,738,236.08
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Solution
The fourth proportional to 358,874,220.78, 495,338,563.17 and 233,738,236.08 is: 322,618,776.48
Step by Step Solution
- Step 1: Write the proportion equation
358,874,220.78 : 495,338,563.17 = 233,738,236.08 : x - Step 2: Convert to fraction form
358,874,220.78/495,338,563.17 = 233,738,236.08/x - Step 3: Cross multiply
358,874,220.78x = 495,338,563.17 × 233,738,236.08 - Step 4: Simplify right side
358,874,220.78x = 115,779,562,017,757,456 - Step 5: Solve for x
x = 115,779,562,017,757,456/358,874,220.78 - Step 6: Final answer
x = 322,618,776.48
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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.