Finding the Fourth Proportional to 7,940,452,880.26, 10,958,021,474.76 and 4,323,674,896.75
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Solution
The fourth proportional to 7,940,452,880.26, 10,958,021,474.76 and 4,323,674,896.75 is: 5,966,778,354.20
Step by Step Solution
- Step 1: Write the proportion equation
7,940,452,880.26 : 10,958,021,474.76 = 4,323,674,896.75 : x - Step 2: Convert to fraction form
7,940,452,880.26/10,958,021,474.76 = 4,323,674,896.75/x - Step 3: Cross multiply
7,940,452,880.26x = 10,958,021,474.76 × 4,323,674,896.75 - Step 4: Simplify right side
7,940,452,880.26x = 47,378,922,368,412,434,432 - Step 5: Solve for x
x = 47,378,922,368,412,434,432/7,940,452,880.26 - Step 6: Final answer
x = 5,966,778,354.20
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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.