Finding the Fourth Proportional to 38,631,448,459.20, 57,947,172,688.80 and 32,432,720,635.20
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Solution
The fourth proportional to 38,631,448,459.20, 57,947,172,688.80 and 32,432,720,635.20 is: 48,649,080,952.80
Step by Step Solution
- Step 1: Write the proportion equation
38,631,448,459.20 : 57,947,172,688.80 = 32,432,720,635.20 : x - Step 2: Convert to fraction form
38,631,448,459.20/57,947,172,688.80 = 32,432,720,635.20/x - Step 3: Cross multiply
38,631,448,459.20x = 57,947,172,688.80 × 32,432,720,635.20 - Step 4: Simplify right side
38,631,448,459.20x = 1,879,384,463,415,541,760,000 - Step 5: Solve for x
x = 1,879,384,463,415,541,760,000/38,631,448,459.20 - Step 6: Final answer
x = 48,649,080,952.80
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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.