Finding the Fourth Proportional to 5,585,662,624.36, 7,707,859,233.06 and 3,079,399,348.84
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Solution
The fourth proportional to 5,585,662,624.36, 7,707,859,233.06 and 3,079,399,348.84 is: 4,249,375,284.45
Step by Step Solution
- Step 1: Write the proportion equation
5,585,662,624.36 : 7,707,859,233.06 = 3,079,399,348.84 : x - Step 2: Convert to fraction form
5,585,662,624.36/7,707,859,233.06 = 3,079,399,348.84/x - Step 3: Cross multiply
5,585,662,624.36x = 7,707,859,233.06 × 3,079,399,348.84 - Step 4: Simplify right side
5,585,662,624.36x = 23,735,576,703,235,346,432 - Step 5: Solve for x
x = 23,735,576,703,235,346,432/5,585,662,624.36 - Step 6: Final answer
x = 4,249,375,284.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.