Finding the Fourth Proportional to 128,422,202,033.44, 192,658,110,405 and 48,827,563,055.92
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Solution
The fourth proportional to 128,422,202,033.44, 192,658,110,405 and 48,827,563,055.92 is: 73,250,776,618.71
Step by Step Solution
- Step 1: Write the proportion equation
128,422,202,033.44 : 192,658,110,405 = 48,827,563,055.92 : x - Step 2: Convert to fraction form
128,422,202,033.44/192,658,110,405 = 48,827,563,055.92/x - Step 3: Cross multiply
128,422,202,033.44x = 192,658,110,405 × 48,827,563,055.92 - Step 4: Simplify right side
128,422,202,033.44x = 9,407,026,034,034,533,728,256 - Step 5: Solve for x
x = 9,407,026,034,034,533,728,256/128,422,202,033.44 - Step 6: Final answer
x = 73,250,776,618.71
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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.