Finding the Fourth Proportional to 319,544,893.80, 479,317,340.70 and 183,495,997.80
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Solution
The fourth proportional to 319,544,893.80, 479,317,340.70 and 183,495,997.80 is: 275,243,996.70
Step by Step Solution
- Step 1: Write the proportion equation
319,544,893.80 : 479,317,340.70 = 183,495,997.80 : x - Step 2: Convert to fraction form
319,544,893.80/479,317,340.70 = 183,495,997.80/x - Step 3: Cross multiply
319,544,893.80x = 479,317,340.70 × 183,495,997.80 - Step 4: Simplify right side
319,544,893.80x = 87,952,813,694,589,056 - Step 5: Solve for x
x = 87,952,813,694,589,056/319,544,893.80 - Step 6: Final answer
x = 275,243,996.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.