Finding the Fourth Proportional to 516,135,129.60, 774,202,694.40 and 228,920,793.60
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Solution
The fourth proportional to 516,135,129.60, 774,202,694.40 and 228,920,793.60 is: 343,381,190.40
Step by Step Solution
- Step 1: Write the proportion equation
516,135,129.60 : 774,202,694.40 = 228,920,793.60 : x - Step 2: Convert to fraction form
516,135,129.60/774,202,694.40 = 228,920,793.60/x - Step 3: Cross multiply
516,135,129.60x = 774,202,694.40 × 228,920,793.60 - Step 4: Simplify right side
516,135,129.60x = 177,231,095,209,306,272 - Step 5: Solve for x
x = 177,231,095,209,306,272/516,135,129.60 - Step 6: Final answer
x = 343,381,190.40
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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.