Finding the Fourth Proportional to 1,631,543,135,760.50, 2,251,536,527,169.50 and 889,966,132,408.86
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Solution
The fourth proportional to 1,631,543,135,760.50, 2,251,536,527,169.50 and 889,966,132,408.86 is: 1,228,157,080,951.65
Step by Step Solution
- Step 1: Write the proportion equation
1,631,543,135,760.50 : 2,251,536,527,169.50 = 889,966,132,408.86 : x - Step 2: Convert to fraction form
1,631,543,135,760.50/2,251,536,527,169.50 = 889,966,132,408.86/x - Step 3: Cross multiply
1,631,543,135,760.50x = 2,251,536,527,169.50 × 889,966,132,408.86 - Step 4: Simplify right side
1,631,543,135,760.50x = 2,003,791,255,062,316,123,684,864 - Step 5: Solve for x
x = 2,003,791,255,062,316,123,684,864/1,631,543,135,760.50 - Step 6: Final answer
x = 1,228,157,080,951.65
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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.