Finding the Fourth Proportional to 1,723,984,639.68, 2,379,098,711.74 and 931,030,542.46
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Solution
The fourth proportional to 1,723,984,639.68, 2,379,098,711.74 and 931,030,542.46 is: 1,284,822,099.44
Step by Step Solution
- Step 1: Write the proportion equation
1,723,984,639.68 : 2,379,098,711.74 = 931,030,542.46 : x - Step 2: Convert to fraction form
1,723,984,639.68/2,379,098,711.74 = 931,030,542.46/x - Step 3: Cross multiply
1,723,984,639.68x = 2,379,098,711.74 × 931,030,542.46 - Step 4: Simplify right side
1,723,984,639.68x = 2,215,013,564,157,179,136 - Step 5: Solve for x
x = 2,215,013,564,157,179,136/1,723,984,639.68 - Step 6: Final answer
x = 1,284,822,099.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.