Finding the Fourth Proportional to 587,552,183.80, 880,052,817.30 and 485,515,511.80
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Solution
The fourth proportional to 587,552,183.80, 880,052,817.30 and 485,515,511.80 is: 727,219,310.53
Step by Step Solution
- Step 1: Write the proportion equation
587,552,183.80 : 880,052,817.30 = 485,515,511.80 : x - Step 2: Convert to fraction form
587,552,183.80/880,052,817.30 = 485,515,511.80/x - Step 3: Cross multiply
587,552,183.80x = 880,052,817.30 × 485,515,511.80 - Step 4: Simplify right side
587,552,183.80x = 427,279,294,002,441,408 - Step 5: Solve for x
x = 427,279,294,002,441,408/587,552,183.80 - Step 6: Final answer
x = 727,219,310.53
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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.