Finding the Fourth Proportional to 2,586,918,152.80, 3,880,944,099.60 and 1,277,447,528.80
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Solution
The fourth proportional to 2,586,918,152.80, 3,880,944,099.60 and 1,277,447,528.80 is: 1,916,451,219.80
Step by Step Solution
- Step 1: Write the proportion equation
2,586,918,152.80 : 3,880,944,099.60 = 1,277,447,528.80 : x - Step 2: Convert to fraction form
2,586,918,152.80/3,880,944,099.60 = 1,277,447,528.80/x - Step 3: Cross multiply
2,586,918,152.80x = 3,880,944,099.60 × 1,277,447,528.80 - Step 4: Simplify right side
2,586,918,152.80x = 4,957,702,449,444,960,256 - Step 5: Solve for x
x = 4,957,702,449,444,960,256/2,586,918,152.80 - Step 6: Final answer
x = 1,916,451,219.80
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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.