Finding the Fourth Proportional to 1,197,536,553.40, 1,796,304,830.10 and 737,993,615.80
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Solution
The fourth proportional to 1,197,536,553.40, 1,796,304,830.10 and 737,993,615.80 is: 1,106,990,423.70
Step by Step Solution
- Step 1: Write the proportion equation
1,197,536,553.40 : 1,796,304,830.10 = 737,993,615.80 : x - Step 2: Convert to fraction form
1,197,536,553.40/1,796,304,830.10 = 737,993,615.80/x - Step 3: Cross multiply
1,197,536,553.40x = 1,796,304,830.10 × 737,993,615.80 - Step 4: Simplify right side
1,197,536,553.40x = 1,325,661,496,644,503,552 - Step 5: Solve for x
x = 1,325,661,496,644,503,552/1,197,536,553.40 - Step 6: Final answer
x = 1,106,990,423.70
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1.5x scale
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.