Finding the Fourth Proportional to 265,415,447.76, 366,430,434.77 and 235,965,437.15
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Solution
The fourth proportional to 265,415,447.76, 366,430,434.77 and 235,965,437.15 is: 325,771,986.72
Step by Step Solution
- Step 1: Write the proportion equation
265,415,447.76 : 366,430,434.77 = 235,965,437.15 : x - Step 2: Convert to fraction form
265,415,447.76/366,430,434.77 = 235,965,437.15/x - Step 3: Cross multiply
265,415,447.76x = 366,430,434.77 × 235,965,437.15 - Step 4: Simplify right side
265,415,447.76x = 86,464,917,722,555,632 - Step 5: Solve for x
x = 86,464,917,722,555,632/265,415,447.76 - Step 6: Final answer
x = 325,771,986.72
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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.