Finding the Fourth Proportional to 659,343,177.10, 989,014,765.65 and 168,055,497.10
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Solution
The fourth proportional to 659,343,177.10, 989,014,765.65 and 168,055,497.10 is: 252,083,245.65
Step by Step Solution
- Step 1: Write the proportion equation
659,343,177.10 : 989,014,765.65 = 168,055,497.10 : x - Step 2: Convert to fraction form
659,343,177.10/989,014,765.65 = 168,055,497.10/x - Step 3: Cross multiply
659,343,177.10x = 989,014,765.65 × 168,055,497.10 - Step 4: Simplify right side
659,343,177.10x = 166,209,368,080,550,752 - Step 5: Solve for x
x = 166,209,368,080,550,752/659,343,177.10 - Step 6: Final answer
x = 252,083,245.65
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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.