Finding the Fourth Proportional to 268,750,620,201.60, 403,125,930,302.40 and 209,542,140,662.40
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Solution
The fourth proportional to 268,750,620,201.60, 403,125,930,302.40 and 209,542,140,662.40 is: 314,313,210,993.60
Step by Step Solution
- Step 1: Write the proportion equation
268,750,620,201.60 : 403,125,930,302.40 = 209,542,140,662.40 : x - Step 2: Convert to fraction form
268,750,620,201.60/403,125,930,302.40 = 209,542,140,662.40/x - Step 3: Cross multiply
268,750,620,201.60x = 403,125,930,302.40 × 209,542,140,662.40 - Step 4: Simplify right side
268,750,620,201.60x = 84,471,870,392,086,355,247,104 - Step 5: Solve for x
x = 84,471,870,392,086,355,247,104/268,750,620,201.60 - Step 6: Final answer
x = 314,313,210,993.60
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1.5x scale
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.