Finding the Fourth Proportional to 415,835,278.99, 573,857,219.96 and 230,199,394.75
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Solution
The fourth proportional to 415,835,278.99, 573,857,219.96 and 230,199,394.75 is: 317,677,675.23
Step by Step Solution
- Step 1: Write the proportion equation
415,835,278.99 : 573,857,219.96 = 230,199,394.75 : x - Step 2: Convert to fraction form
415,835,278.99/573,857,219.96 = 230,199,394.75/x - Step 3: Cross multiply
415,835,278.99x = 573,857,219.96 × 230,199,394.75 - Step 4: Simplify right side
415,835,278.99x = 132,101,584,707,709,632 - Step 5: Solve for x
x = 132,101,584,707,709,632/415,835,278.99 - Step 6: Final answer
x = 317,677,675.23
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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.