Finding the Fourth Proportional to 287,380,949.14, 431,343,954.42 and 177,874,873.84
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Solution
The fourth proportional to 287,380,949.14, 431,343,954.42 and 177,874,873.84 is: 266,980,994.06
Step by Step Solution
- Step 1: Write the proportion equation
287,380,949.14 : 431,343,954.42 = 177,874,873.84 : x - Step 2: Convert to fraction form
287,380,949.14/431,343,954.42 = 177,874,873.84/x - Step 3: Cross multiply
287,380,949.14x = 431,343,954.42 × 177,874,873.84 - Step 4: Simplify right side
287,380,949.14x = 76,725,251,474,104,208 - Step 5: Solve for x
x = 76,725,251,474,104,208/287,380,949.14 - Step 6: Final answer
x = 266,980,994.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.