Finding the Fourth Proportional to 393,408,027.20, 590,106,511.20 and 177,996,929.60
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Solution
The fourth proportional to 393,408,027.20, 590,106,511.20 and 177,996,929.60 is: 266,992,892.54
Step by Step Solution
- Step 1: Write the proportion equation
393,408,027.20 : 590,106,511.20 = 177,996,929.60 : x - Step 2: Convert to fraction form
393,408,027.20/590,106,511.20 = 177,996,929.60/x - Step 3: Cross multiply
393,408,027.20x = 590,106,511.20 × 177,996,929.60 - Step 4: Simplify right side
393,408,027.20x = 105,037,147,130,568,016 - Step 5: Solve for x
x = 105,037,147,130,568,016/393,408,027.20 - Step 6: Final answer
x = 266,992,892.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.