Finding the Fourth Proportional to 2,068,632,097.20, 3,102,948,145.80 and 1,660,485,409.20
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Solution
The fourth proportional to 2,068,632,097.20, 3,102,948,145.80 and 1,660,485,409.20 is: 2,490,728,113.80
Step by Step Solution
- Step 1: Write the proportion equation
2,068,632,097.20 : 3,102,948,145.80 = 1,660,485,409.20 : x - Step 2: Convert to fraction form
2,068,632,097.20/3,102,948,145.80 = 1,660,485,409.20/x - Step 3: Cross multiply
2,068,632,097.20x = 3,102,948,145.80 × 1,660,485,409.20 - Step 4: Simplify right side
2,068,632,097.20x = 5,152,400,121,605,094,400 - Step 5: Solve for x
x = 5,152,400,121,605,094,400/2,068,632,097.20 - Step 6: Final answer
x = 2,490,728,113.80
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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.