Finding the Fourth Proportional to 5,036,621,206.20, 7,554,931,809.30 and 3,984,509,743.80
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Solution
The fourth proportional to 5,036,621,206.20, 7,554,931,809.30 and 3,984,509,743.80 is: 5,976,764,615.70
Step by Step Solution
- Step 1: Write the proportion equation
5,036,621,206.20 : 7,554,931,809.30 = 3,984,509,743.80 : x - Step 2: Convert to fraction form
5,036,621,206.20/7,554,931,809.30 = 3,984,509,743.80/x - Step 3: Cross multiply
5,036,621,206.20x = 7,554,931,809.30 × 3,984,509,743.80 - Step 4: Simplify right side
5,036,621,206.20x = 30,102,699,407,900,413,952 - Step 5: Solve for x
x = 30,102,699,407,900,413,952/5,036,621,206.20 - Step 6: Final answer
x = 5,976,764,615.70
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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.