Finding the Fourth Proportional to 302,160,085.36, 415,973,624.37 and 288,277,517.83
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Solution
The fourth proportional to 302,160,085.36, 415,973,624.37 and 288,277,517.83 is: 396,861,960.68
Step by Step Solution
- Step 1: Write the proportion equation
302,160,085.36 : 415,973,624.37 = 288,277,517.83 : x - Step 2: Convert to fraction form
302,160,085.36/415,973,624.37 = 288,277,517.83/x - Step 3: Cross multiply
302,160,085.36x = 415,973,624.37 × 288,277,517.83 - Step 4: Simplify right side
302,160,085.36x = 119,915,843,916,132,384 - Step 5: Solve for x
x = 119,915,843,916,132,384/302,160,085.36 - Step 6: Final answer
x = 396,861,960.68
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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.