Finding the Fourth Proportional to 370,986,197.44, 556,497,191.20 and 121,985,941.44
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Solution
The fourth proportional to 370,986,197.44, 556,497,191.20 and 121,985,941.44 is: 182,984,796.32
Step by Step Solution
- Step 1: Write the proportion equation
370,986,197.44 : 556,497,191.20 = 121,985,941.44 : x - Step 2: Convert to fraction form
370,986,197.44/556,497,191.20 = 121,985,941.44/x - Step 3: Cross multiply
370,986,197.44x = 556,497,191.20 × 121,985,941.44 - Step 4: Simplify right side
370,986,197.44x = 67,884,833,777,247,688 - Step 5: Solve for x
x = 67,884,833,777,247,688/370,986,197.44 - Step 6: Final answer
x = 182,984,796.32
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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.