Finding the Fourth Proportional to 3,221,344,329.33, 4,832,711,988.20 and 980,566,867.80
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Solution
The fourth proportional to 3,221,344,329.33, 4,832,711,988.20 and 980,566,867.80 is: 1,471,062,007.90
Step by Step Solution
- Step 1: Write the proportion equation
3,221,344,329.33 : 4,832,711,988.20 = 980,566,867.80 : x - Step 2: Convert to fraction form
3,221,344,329.33/4,832,711,988.20 = 980,566,867.80/x - Step 3: Cross multiply
3,221,344,329.33x = 4,832,711,988.20 × 980,566,867.80 - Step 4: Simplify right side
3,221,344,329.33x = 4,738,797,257,247,607,808 - Step 5: Solve for x
x = 4,738,797,257,247,607,808/3,221,344,329.33 - Step 6: Final answer
x = 1,471,062,007.90
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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.