Finding the Fourth Proportional to 476,781,071.24, 657,949,091.82 and 267,934,206.08
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Solution
The fourth proportional to 476,781,071.24, 657,949,091.82 and 267,934,206.08 is: 369,744,266.69
Step by Step Solution
- Step 1: Write the proportion equation
476,781,071.24 : 657,949,091.82 = 267,934,206.08 : x - Step 2: Convert to fraction form
476,781,071.24/657,949,091.82 = 267,934,206.08/x - Step 3: Cross multiply
476,781,071.24x = 657,949,091.82 × 267,934,206.08 - Step 4: Simplify right side
476,781,071.24x = 176,287,067,557,848,736 - Step 5: Solve for x
x = 176,287,067,557,848,736/476,781,071.24 - Step 6: Final answer
x = 369,744,266.69
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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.