Finding the Fourth Proportional to 1,275,508,924.06, 1,913,263,410.70 and 306,160,540.06
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Solution
The fourth proportional to 1,275,508,924.06, 1,913,263,410.70 and 306,160,540.06 is: 459,240,816.00
Step by Step Solution
- Step 1: Write the proportion equation
1,275,508,924.06 : 1,913,263,410.70 = 306,160,540.06 : x - Step 2: Convert to fraction form
1,275,508,924.06/1,913,263,410.70 = 306,160,540.06/x - Step 3: Cross multiply
1,275,508,924.06x = 1,913,263,410.70 × 306,160,540.06 - Step 4: Simplify right side
1,275,508,924.06x = 585,765,759,096,949,632 - Step 5: Solve for x
x = 585,765,759,096,949,632/1,275,508,924.06 - Step 6: Final answer
x = 459,240,816.00
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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.