Finding the Fourth Proportional to 442,241,149.44, 662,738,167.68 and 208,822,813.44
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Solution
The fourth proportional to 442,241,149.44, 662,738,167.68 and 208,822,813.44 is: 312,939,781.66
Step by Step Solution
- Step 1: Write the proportion equation
442,241,149.44 : 662,738,167.68 = 208,822,813.44 : x - Step 2: Convert to fraction form
442,241,149.44/662,738,167.68 = 208,822,813.44/x - Step 3: Cross multiply
442,241,149.44x = 662,738,167.68 × 208,822,813.44 - Step 4: Simplify right side
442,241,149.44x = 138,394,848,749,008,064 - Step 5: Solve for x
x = 138,394,848,749,008,064/442,241,149.44 - Step 6: Final answer
x = 312,939,781.66
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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.