Finding the Fourth Proportional to 441,531,961.01, 609,286,652.09 and 243,282,361.54
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Solution
The fourth proportional to 441,531,961.01, 609,286,652.09 and 243,282,361.54 is: 335,714,531.82
Step by Step Solution
- Step 1: Write the proportion equation
441,531,961.01 : 609,286,652.09 = 243,282,361.54 : x - Step 2: Convert to fraction form
441,531,961.01/609,286,652.09 = 243,282,361.54/x - Step 3: Cross multiply
441,531,961.01x = 609,286,652.09 × 243,282,361.54 - Step 4: Simplify right side
441,531,961.01x = 148,228,695,570,992,736 - Step 5: Solve for x
x = 148,228,695,570,992,736/441,531,961.01 - Step 6: Final answer
x = 335,714,531.82
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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.