Finding the Fourth Proportional to 4,816,554,004.90, 7,225,107,104.98 and 1,275,203,421.05
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Solution
The fourth proportional to 4,816,554,004.90, 7,225,107,104.98 and 1,275,203,421.05 is: 1,912,878,229.61
Step by Step Solution
- Step 1: Write the proportion equation
4,816,554,004.90 : 7,225,107,104.98 = 1,275,203,421.05 : x - Step 2: Convert to fraction form
4,816,554,004.90/7,225,107,104.98 = 1,275,203,421.05/x - Step 3: Cross multiply
4,816,554,004.90x = 7,225,107,104.98 × 1,275,203,421.05 - Step 4: Simplify right side
4,816,554,004.90x = 9,213,481,297,723,156,480 - Step 5: Solve for x
x = 9,213,481,297,723,156,480/4,816,554,004.90 - Step 6: Final answer
x = 1,912,878,229.61
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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.