Finding the Fourth Proportional to 1,783,641,800.44, 2,675,807,247.30 and 678,160,703.80
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Solution
The fourth proportional to 1,783,641,800.44, 2,675,807,247.30 and 678,160,703.80 is: 1,017,372,056.21
Step by Step Solution
- Step 1: Write the proportion equation
1,783,641,800.44 : 2,675,807,247.30 = 678,160,703.80 : x - Step 2: Convert to fraction form
1,783,641,800.44/2,675,807,247.30 = 678,160,703.80/x - Step 3: Cross multiply
1,783,641,800.44x = 2,675,807,247.30 × 678,160,703.80 - Step 4: Simplify right side
1,783,641,800.44x = 1,814,627,326,062,108,672 - Step 5: Solve for x
x = 1,814,627,326,062,108,672/1,783,641,800.44 - Step 6: Final answer
x = 1,017,372,056.21
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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.