Finding the Fourth Proportional to 1,197,523,240.40, 1,796,284,860.60 and 681,545,205.20
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Solution
The fourth proportional to 1,197,523,240.40, 1,796,284,860.60 and 681,545,205.20 is: 1,022,317,807.80
Step by Step Solution
- Step 1: Write the proportion equation
1,197,523,240.40 : 1,796,284,860.60 = 681,545,205.20 : x - Step 2: Convert to fraction form
1,197,523,240.40/1,796,284,860.60 = 681,545,205.20/x - Step 3: Cross multiply
1,197,523,240.40x = 1,796,284,860.60 × 681,545,205.20 - Step 4: Simplify right side
1,197,523,240.40x = 1,224,249,333,915,280,384 - Step 5: Solve for x
x = 1,224,249,333,915,280,384/1,197,523,240.40 - Step 6: Final answer
x = 1,022,317,807.80
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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.