Finding the Fourth Proportional to 4,816,554,002.90, 7,225,107,101.98 and 1,275,203,419.05
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Solution
The fourth proportional to 4,816,554,002.90, 7,225,107,101.98 and 1,275,203,419.05 is: 1,912,878,226.62
Step by Step Solution
- Step 1: Write the proportion equation
4,816,554,002.90 : 7,225,107,101.98 = 1,275,203,419.05 : x - Step 2: Convert to fraction form
4,816,554,002.90/7,225,107,101.98 = 1,275,203,419.05/x - Step 3: Cross multiply
4,816,554,002.90x = 7,225,107,101.98 × 1,275,203,419.05 - Step 4: Simplify right side
4,816,554,002.90x = 9,213,481,279,471,600,640 - Step 5: Solve for x
x = 9,213,481,279,471,600,640/4,816,554,002.90 - Step 6: Final answer
x = 1,912,878,226.62
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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.