Finding the Fourth Proportional to 352,512,043.70, 528,768,065.55 and 352,512,043.70
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Solution
The fourth proportional to 352,512,043.70, 528,768,065.55 and 352,512,043.70 is: 528,768,065.55
Step by Step Solution
- Step 1: Write the proportion equation
352,512,043.70 : 528,768,065.55 = 352,512,043.70 : x - Step 2: Convert to fraction form
352,512,043.70/528,768,065.55 = 352,512,043.70/x - Step 3: Cross multiply
352,512,043.70x = 528,768,065.55 × 352,512,043.70 - Step 4: Simplify right side
352,512,043.70x = 186,397,111,430,326,048 - Step 5: Solve for x
x = 186,397,111,430,326,048/352,512,043.70 - Step 6: Final answer
x = 528,768,065.55
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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.