Finding the Fourth Proportional to 1,903,331,137.50, 2,854,350,138.87 and 659,471,300.82
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Solution
The fourth proportional to 1,903,331,137.50, 2,854,350,138.87 and 659,471,300.82 is: 988,982,926.82
Step by Step Solution
- Step 1: Write the proportion equation
1,903,331,137.50 : 2,854,350,138.87 = 659,471,300.82 : x - Step 2: Convert to fraction form
1,903,331,137.50/2,854,350,138.87 = 659,471,300.82/x - Step 3: Cross multiply
1,903,331,137.50x = 2,854,350,138.87 × 659,471,300.82 - Step 4: Simplify right side
1,903,331,137.50x = 1,882,361,999,076,346,624 - Step 5: Solve for x
x = 1,882,361,999,076,346,624/1,903,331,137.50 - Step 6: Final answer
x = 988,982,926.82
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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.