Finding the Fourth Proportional to 319,575,600.11, 441,318,909.41 and 302,165,342.81
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Solution
The fourth proportional to 319,575,600.11, 441,318,909.41 and 302,165,342.81 is: 417,276,160.95
Step by Step Solution
- Step 1: Write the proportion equation
319,575,600.11 : 441,318,909.41 = 302,165,342.81 : x - Step 2: Convert to fraction form
319,575,600.11/441,318,909.41 = 302,165,342.81/x - Step 3: Cross multiply
319,575,600.11x = 441,318,909.41 × 302,165,342.81 - Step 4: Simplify right side
319,575,600.11x = 133,351,279,546,690,560 - Step 5: Solve for x
x = 133,351,279,546,690,560/319,575,600.11 - Step 6: Final answer
x = 417,276,160.95
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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.