Finding the Fourth Proportional to 313,872,605.12, 433,143,789.24 and 194,750,892.56
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Solution
The fourth proportional to 313,872,605.12, 433,143,789.24 and 194,750,892.56 is: 268,755,979.93
Step by Step Solution
- Step 1: Write the proportion equation
313,872,605.12 : 433,143,789.24 = 194,750,892.56 : x - Step 2: Convert to fraction form
313,872,605.12/433,143,789.24 = 194,750,892.56/x - Step 3: Cross multiply
313,872,605.12x = 433,143,789.24 × 194,750,892.56 - Step 4: Simplify right side
313,872,605.12x = 84,355,139,561,310,528 - Step 5: Solve for x
x = 84,355,139,561,310,528/313,872,605.12 - Step 6: Final answer
x = 268,755,979.93
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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.