Finding the Fourth Proportional to 2,153,157,092.73, 3,229,735,640.92 and 517,381,694.73
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Solution
The fourth proportional to 2,153,157,092.73, 3,229,735,640.92 and 517,381,694.73 is: 776,072,542.53
Step by Step Solution
- Step 1: Write the proportion equation
2,153,157,092.73 : 3,229,735,640.92 = 517,381,694.73 : x - Step 2: Convert to fraction form
2,153,157,092.73/3,229,735,640.92 = 517,381,694.73/x - Step 3: Cross multiply
2,153,157,092.73x = 3,229,735,640.92 × 517,381,694.73 - Step 4: Simplify right side
2,153,157,092.73x = 1,671,006,099,427,779,072 - Step 5: Solve for x
x = 1,671,006,099,427,779,072/2,153,157,092.73 - Step 6: Final answer
x = 776,072,542.53
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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.