Finding the Fourth Proportional to 1,937,829,444.20, 2,906,603,562.70 and 757,187,926.19
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Solution
The fourth proportional to 1,937,829,444.20, 2,906,603,562.70 and 757,187,926.19 is: 1,135,726,949.80
Step by Step Solution
- Step 1: Write the proportion equation
1,937,829,444.20 : 2,906,603,562.70 = 757,187,926.19 : x - Step 2: Convert to fraction form
1,937,829,444.20/2,906,603,562.70 = 757,187,926.19/x - Step 3: Cross multiply
1,937,829,444.20x = 2,906,603,562.70 × 757,187,926.19 - Step 4: Simplify right side
1,937,829,444.20x = 2,200,845,123,894,583,296 - Step 5: Solve for x
x = 2,200,845,123,894,583,296/1,937,829,444.20 - Step 6: Final answer
x = 1,135,726,949.80
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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.