Finding the Fourth Proportional to 431,263,941.48, 646,962,796.14 and 182,270,246.94
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Solution
The fourth proportional to 431,263,941.48, 646,962,796.14 and 182,270,246.94 is: 273,433,638.36
Step by Step Solution
- Step 1: Write the proportion equation
431,263,941.48 : 646,962,796.14 = 182,270,246.94 : x - Step 2: Convert to fraction form
431,263,941.48/646,962,796.14 = 182,270,246.94/x - Step 3: Cross multiply
431,263,941.48x = 646,962,796.14 × 182,270,246.94 - Step 4: Simplify right side
431,263,941.48x = 117,922,068,613,430,672 - Step 5: Solve for x
x = 117,922,068,613,430,672/431,263,941.48 - Step 6: Final answer
x = 273,433,638.36
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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.