Finding the Fourth Proportional to 288,472,912.74, 397,939,095.66 and 175,476,951.36
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Solution
The fourth proportional to 288,472,912.74, 397,939,095.66 and 175,476,951.36 is: 242,064,804.87
Step by Step Solution
- Step 1: Write the proportion equation
288,472,912.74 : 397,939,095.66 = 175,476,951.36 : x - Step 2: Convert to fraction form
288,472,912.74/397,939,095.66 = 175,476,951.36/x - Step 3: Cross multiply
288,472,912.74x = 397,939,095.66 × 175,476,951.36 - Step 4: Simplify right side
288,472,912.74x = 69,829,139,333,372,216 - Step 5: Solve for x
x = 69,829,139,333,372,216/288,472,912.74 - Step 6: Final answer
x = 242,064,804.87
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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.