Finding the Fourth Proportional to 1,294,993,125.80, 1,942,489,688.70 and 1,158,944,229.80
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Solution
The fourth proportional to 1,294,993,125.80, 1,942,489,688.70 and 1,158,944,229.80 is: 1,738,416,344.70
Step by Step Solution
- Step 1: Write the proportion equation
1,294,993,125.80 : 1,942,489,688.70 = 1,158,944,229.80 : x - Step 2: Convert to fraction form
1,294,993,125.80/1,942,489,688.70 = 1,158,944,229.80/x - Step 3: Cross multiply
1,294,993,125.80x = 1,942,489,688.70 × 1,158,944,229.80 - Step 4: Simplify right side
1,294,993,125.80x = 2,251,237,216,164,863,232 - Step 5: Solve for x
x = 2,251,237,216,164,863,232/1,294,993,125.80 - Step 6: Final answer
x = 1,738,416,344.70
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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.