Finding the Fourth Proportional to 543,252,660.45, 814,878,990.68 and 543,252,660.45
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Solution
The fourth proportional to 543,252,660.45, 814,878,990.68 and 543,252,660.45 is: 814,878,990.68
Step by Step Solution
- Step 1: Write the proportion equation
543,252,660.45 : 814,878,990.68 = 543,252,660.45 : x - Step 2: Convert to fraction form
543,252,660.45/814,878,990.68 = 543,252,660.45/x - Step 3: Cross multiply
543,252,660.45x = 814,878,990.68 × 543,252,660.45 - Step 4: Simplify right side
543,252,660.45x = 442,685,179,629,004,480 - Step 5: Solve for x
x = 442,685,179,629,004,480/543,252,660.45 - Step 6: Final answer
x = 814,878,990.68
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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.