Finding the Fourth Proportional to 609,376,368.96, 840,936,759.84 and 330,915,597.12
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Solution
The fourth proportional to 609,376,368.96, 840,936,759.84 and 330,915,597.12 is: 456,662,096.20
Step by Step Solution
- Step 1: Write the proportion equation
609,376,368.96 : 840,936,759.84 = 330,915,597.12 : x - Step 2: Convert to fraction form
609,376,368.96/840,936,759.84 = 330,915,597.12/x - Step 3: Cross multiply
609,376,368.96x = 840,936,759.84 × 330,915,597.12 - Step 4: Simplify right side
609,376,368.96x = 278,279,090,022,611,648 - Step 5: Solve for x
x = 278,279,090,022,611,648/609,376,368.96 - Step 6: Final answer
x = 456,662,096.20
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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.