Finding the Fourth Proportional to 457,452,860.67, 631,288,893.51 and 248,609,046.42
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Solution
The fourth proportional to 457,452,860.67, 631,288,893.51 and 248,609,046.42 is: 343,082,628.45
Step by Step Solution
- Step 1: Write the proportion equation
457,452,860.67 : 631,288,893.51 = 248,609,046.42 : x - Step 2: Convert to fraction form
457,452,860.67/631,288,893.51 = 248,609,046.42/x - Step 3: Cross multiply
457,452,860.67x = 631,288,893.51 × 248,609,046.42 - Step 4: Simplify right side
457,452,860.67x = 156,944,129,831,058,016 - Step 5: Solve for x
x = 156,944,129,831,058,016/457,452,860.67 - Step 6: Final answer
x = 343,082,628.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.