Finding the Fourth Proportional to 420,404,016.00, 580,146,297.57 and 232,228,259.99
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Solution
The fourth proportional to 420,404,016.00, 580,146,297.57 and 232,228,259.99 is: 320,468,787.39
Step by Step Solution
- Step 1: Write the proportion equation
420,404,016.00 : 580,146,297.57 = 232,228,259.99 : x - Step 2: Convert to fraction form
420,404,016.00/580,146,297.57 = 232,228,259.99/x - Step 3: Cross multiply
420,404,016.00x = 580,146,297.57 × 232,228,259.99 - Step 4: Simplify right side
420,404,016.00x = 134,726,365,223,596,704 - Step 5: Solve for x
x = 134,726,365,223,596,704/420,404,016.00 - Step 6: Final answer
x = 320,468,787.39
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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.