Finding the Fourth Proportional to 254,140,512.64, 350,790,578.88 and 219,703,135.36
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Solution
The fourth proportional to 254,140,512.64, 350,790,578.88 and 219,703,135.36 is: 303,256,608.85
Step by Step Solution
- Step 1: Write the proportion equation
254,140,512.64 : 350,790,578.88 = 219,703,135.36 : x - Step 2: Convert to fraction form
254,140,512.64/350,790,578.88 = 219,703,135.36/x - Step 3: Cross multiply
254,140,512.64x = 350,790,578.88 × 219,703,135.36 - Step 4: Simplify right side
254,140,512.64x = 77,069,790,034,685,408 - Step 5: Solve for x
x = 77,069,790,034,685,408/254,140,512.64 - Step 6: Final answer
x = 303,256,608.85
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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.