Finding the Fourth Proportional to 1,110,533,304.69, 1,665,987,235.76 and 373,427,990.18
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Solution
The fourth proportional to 1,110,533,304.69, 1,665,987,235.76 and 373,427,990.18 is: 560,204,959.62
Step by Step Solution
- Step 1: Write the proportion equation
1,110,533,304.69 : 1,665,987,235.76 = 373,427,990.18 : x - Step 2: Convert to fraction form
1,110,533,304.69/1,665,987,235.76 = 373,427,990.18/x - Step 3: Cross multiply
1,110,533,304.69x = 1,665,987,235.76 × 373,427,990.18 - Step 4: Simplify right side
1,110,533,304.69x = 622,126,265,107,994,240 - Step 5: Solve for x
x = 622,126,265,107,994,240/1,110,533,304.69 - Step 6: Final answer
x = 560,204,959.62
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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.