Finding the Fourth Proportional to 328,184,549.82, 453,034,128.87 and 204,486,342.66
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Solution
The fourth proportional to 328,184,549.82, 453,034,128.87 and 204,486,342.66 is: 282,278,041.92
Step by Step Solution
- Step 1: Write the proportion equation
328,184,549.82 : 453,034,128.87 = 204,486,342.66 : x - Step 2: Convert to fraction form
328,184,549.82/453,034,128.87 = 204,486,342.66/x - Step 3: Cross multiply
328,184,549.82x = 453,034,128.87 × 204,486,342.66 - Step 4: Simplify right side
328,184,549.82x = 92,639,292,112,785,424 - Step 5: Solve for x
x = 92,639,292,112,785,424/328,184,549.82 - Step 6: Final answer
x = 282,278,041.92
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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.