Finding the Fourth Proportional to 298,257,777.48, 447,412,057.92 and 91,042,731.44
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Solution
The fourth proportional to 298,257,777.48, 447,412,057.92 and 91,042,731.44 is: 136,571,847.94
Step by Step Solution
- Step 1: Write the proportion equation
298,257,777.48 : 447,412,057.92 = 91,042,731.44 : x - Step 2: Convert to fraction form
298,257,777.48/447,412,057.92 = 91,042,731.44/x - Step 3: Cross multiply
298,257,777.48x = 447,412,057.92 × 91,042,731.44 - Step 4: Simplify right side
298,257,777.48x = 40,733,615,832,228,288 - Step 5: Solve for x
x = 40,733,615,832,228,288/298,257,777.48 - Step 6: Final answer
x = 136,571,847.94
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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.