Finding the Fourth Proportional to 529,104,767.22, 730,167,415.64 and 290,965,304.66
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Solution
The fourth proportional to 529,104,767.22, 730,167,415.64 and 290,965,304.66 is: 401,533,680.48
Step by Step Solution
- Step 1: Write the proportion equation
529,104,767.22 : 730,167,415.64 = 290,965,304.66 : x - Step 2: Convert to fraction form
529,104,767.22/730,167,415.64 = 290,965,304.66/x - Step 3: Cross multiply
529,104,767.22x = 730,167,415.64 × 290,965,304.66 - Step 4: Simplify right side
529,104,767.22x = 212,453,384,540,482,880 - Step 5: Solve for x
x = 212,453,384,540,482,880/529,104,767.22 - Step 6: Final answer
x = 401,533,680.48
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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.