Finding the Fourth Proportional to 283,939,788.80, 425,615,750.40 and 154,273,433.60
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Solution
The fourth proportional to 283,939,788.80, 425,615,750.40 and 154,273,433.60 is: 231,250,447.45
Step by Step Solution
- Step 1: Write the proportion equation
283,939,788.80 : 425,615,750.40 = 154,273,433.60 : x - Step 2: Convert to fraction form
283,939,788.80/425,615,750.40 = 154,273,433.60/x - Step 3: Cross multiply
283,939,788.80x = 425,615,750.40 × 154,273,433.60 - Step 4: Simplify right side
283,939,788.80x = 65,661,203,208,448,568 - Step 5: Solve for x
x = 65,661,203,208,448,568/283,939,788.80 - Step 6: Final answer
x = 231,250,447.45
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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.