Finding the Fourth Proportional to 3,889,414,260.76, 5,834,136,350.20 and 941,688,968.08
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Solution
The fourth proportional to 3,889,414,260.76, 5,834,136,350.20 and 941,688,968.08 is: 1,412,537,073.95
Step by Step Solution
- Step 1: Write the proportion equation
3,889,414,260.76 : 5,834,136,350.20 = 941,688,968.08 : x - Step 2: Convert to fraction form
3,889,414,260.76/5,834,136,350.20 = 941,688,968.08/x - Step 3: Cross multiply
3,889,414,260.76x = 5,834,136,350.20 × 941,688,968.08 - Step 4: Simplify right side
3,889,414,260.76x = 5,493,941,839,257,856,000 - Step 5: Solve for x
x = 5,493,941,839,257,856,000/3,889,414,260.76 - Step 6: Final answer
x = 1,412,537,073.95
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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.