Finding the Fourth Proportional to 475,245,840.60, 712,994,732.10 and 168,505,968.60
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Solution
The fourth proportional to 475,245,840.60, 712,994,732.10 and 168,505,968.60 is: 252,803,617.99
Step by Step Solution
- Step 1: Write the proportion equation
475,245,840.60 : 712,994,732.10 = 168,505,968.60 : x - Step 2: Convert to fraction form
475,245,840.60/712,994,732.10 = 168,505,968.60/x - Step 3: Cross multiply
475,245,840.60x = 712,994,732.10 × 168,505,968.60 - Step 4: Simplify right side
475,245,840.60x = 120,143,867,939,208,016 - Step 5: Solve for x
x = 120,143,867,939,208,016/475,245,840.60 - Step 6: Final answer
x = 252,803,617.99
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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.