Finding the Fourth Proportional to 370,986,189.44, 556,497,179.20 and 121,985,933.44
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Solution
The fourth proportional to 370,986,189.44, 556,497,179.20 and 121,985,933.44 is: 182,984,784.32
Step by Step Solution
- Step 1: Write the proportion equation
370,986,189.44 : 556,497,179.20 = 121,985,933.44 : x - Step 2: Convert to fraction form
370,986,189.44/556,497,179.20 = 121,985,933.44/x - Step 3: Cross multiply
370,986,189.44x = 556,497,179.20 × 121,985,933.44 - Step 4: Simplify right side
370,986,189.44x = 67,884,827,861,438,960 - Step 5: Solve for x
x = 67,884,827,861,438,960/370,986,189.44 - Step 6: Final answer
x = 182,984,784.32
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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.