Finding the Fourth Proportional to 656,369,107.14, 906,068,268.09 and 408,972,692.82
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Solution
The fourth proportional to 656,369,107.14, 906,068,268.09 and 408,972,692.82 is: 564,556,094.20
Step by Step Solution
- Step 1: Write the proportion equation
656,369,107.14 : 906,068,268.09 = 408,972,692.82 : x - Step 2: Convert to fraction form
656,369,107.14/906,068,268.09 = 408,972,692.82/x - Step 3: Cross multiply
656,369,107.14x = 906,068,268.09 × 408,972,692.82 - Step 4: Simplify right side
656,369,107.14x = 370,557,179,479,520,960 - Step 5: Solve for x
x = 370,557,179,479,520,960/656,369,107.14 - Step 6: Final answer
x = 564,556,094.20
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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.