Finding the Fourth Proportional to 1,616,485,989.30, 2,424,728,983.95 and 1,461,517,793.70
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Solution
The fourth proportional to 1,616,485,989.30, 2,424,728,983.95 and 1,461,517,793.70 is: 2,192,276,690.55
Step by Step Solution
- Step 1: Write the proportion equation
1,616,485,989.30 : 2,424,728,983.95 = 1,461,517,793.70 : x - Step 2: Convert to fraction form
1,616,485,989.30/2,424,728,983.95 = 1,461,517,793.70/x - Step 3: Cross multiply
1,616,485,989.30x = 2,424,728,983.95 × 1,461,517,793.70 - Step 4: Simplify right side
1,616,485,989.30x = 3,543,784,554,943,046,656 - Step 5: Solve for x
x = 3,543,784,554,943,046,656/1,616,485,989.30 - Step 6: Final answer
x = 2,192,276,690.55
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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.