Finding the Fourth Proportional to 352,553,202.95, 486,010,654.26 and 246,376,970.51
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Solution
The fourth proportional to 352,553,202.95, 486,010,654.26 and 246,376,970.51 is: 339,641,879.95
Step by Step Solution
- Step 1: Write the proportion equation
352,553,202.95 : 486,010,654.26 = 246,376,970.51 : x - Step 2: Convert to fraction form
352,553,202.95/486,010,654.26 = 246,376,970.51/x - Step 3: Cross multiply
352,553,202.95x = 486,010,654.26 × 246,376,970.51 - Step 4: Simplify right side
352,553,202.95x = 119,741,832,629,731,760 - Step 5: Solve for x
x = 119,741,832,629,731,760/352,553,202.95 - Step 6: Final answer
x = 339,641,879.95
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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.