Finding the Fourth Proportional to 318,916,352.80, 446,785,224.80 and 318,916,352.80
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Solution
The fourth proportional to 318,916,352.80, 446,785,224.80 and 318,916,352.80 is: 446,785,224.80
Step by Step Solution
- Step 1: Write the proportion equation
318,916,352.80 : 446,785,224.80 = 318,916,352.80 : x - Step 2: Convert to fraction form
318,916,352.80/446,785,224.80 = 318,916,352.80/x - Step 3: Cross multiply
318,916,352.80x = 446,785,224.80 × 318,916,352.80 - Step 4: Simplify right side
318,916,352.80x = 142,487,114,378,144,112 - Step 5: Solve for x
x = 142,487,114,378,144,112/318,916,352.80 - Step 6: Final answer
x = 446,785,224.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.