Finding the Fourth Proportional to 265,231,159.09, 363,368,005.05 and 255,290,430.63
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Solution
The fourth proportional to 265,231,159.09, 363,368,005.05 and 255,290,430.63 is: 349,749,157.69
Step by Step Solution
- Step 1: Write the proportion equation
265,231,159.09 : 363,368,005.05 = 255,290,430.63 : x - Step 2: Convert to fraction form
265,231,159.09/363,368,005.05 = 255,290,430.63/x - Step 3: Cross multiply
265,231,159.09x = 363,368,005.05 × 255,290,430.63 - Step 4: Simplify right side
265,231,159.09x = 92,764,374,486,011,296 - Step 5: Solve for x
x = 92,764,374,486,011,296/265,231,159.09 - Step 6: Final answer
x = 349,749,157.69
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.