Finding the Fourth Proportional to 172,478,364,367.68, 258,486,285,959.28 and 134,235,764,382.24
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Solution
The fourth proportional to 172,478,364,367.68, 258,486,285,959.28 and 134,235,764,382.24 is: 201,173,662,014.23
Step by Step Solution
- Step 1: Write the proportion equation
172,478,364,367.68 : 258,486,285,959.28 = 134,235,764,382.24 : x - Step 2: Convert to fraction form
172,478,364,367.68/258,486,285,959.28 = 134,235,764,382.24/x - Step 3: Cross multiply
172,478,364,367.68x = 258,486,285,959.28 × 134,235,764,382.24 - Step 4: Simplify right side
172,478,364,367.68x = 34,698,104,178,070,224,109,568 - Step 5: Solve for x
x = 34,698,104,178,070,224,109,568/172,478,364,367.68 - Step 6: Final answer
x = 201,173,662,014.23
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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.