Finding the Fourth Proportional to 5,174,409,996.90, 7,761,614,995.35 and 1,443,694,176.90
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Solution
The fourth proportional to 5,174,409,996.90, 7,761,614,995.35 and 1,443,694,176.90 is: 2,165,541,265.35
Step by Step Solution
- Step 1: Write the proportion equation
5,174,409,996.90 : 7,761,614,995.35 = 1,443,694,176.90 : x - Step 2: Convert to fraction form
5,174,409,996.90/7,761,614,995.35 = 1,443,694,176.90/x - Step 3: Cross multiply
5,174,409,996.90x = 7,761,614,995.35 × 1,443,694,176.90 - Step 4: Simplify right side
5,174,409,996.90x = 11,205,398,372,126,517,248 - Step 5: Solve for x
x = 11,205,398,372,126,517,248/5,174,409,996.90 - Step 6: Final answer
x = 2,165,541,265.35
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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.