Finding the Fourth Proportional to 1,577,424,091.52, 2,366,351,359.68 and 657,085,197.12
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Solution
The fourth proportional to 1,577,424,091.52, 2,366,351,359.68 and 657,085,197.12 is: 985,717,447.82
Step by Step Solution
- Step 1: Write the proportion equation
1,577,424,091.52 : 2,366,351,359.68 = 657,085,197.12 : x - Step 2: Convert to fraction form
1,577,424,091.52/2,366,351,359.68 = 657,085,197.12/x - Step 3: Cross multiply
1,577,424,091.52x = 2,366,351,359.68 × 657,085,197.12 - Step 4: Simplify right side
1,577,424,091.52x = 1,554,894,449,630,512,640 - Step 5: Solve for x
x = 1,554,894,449,630,512,640/1,577,424,091.52 - Step 6: Final answer
x = 985,717,447.82
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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.