Finding the Fourth Proportional to 298,415,904.70, 447,623,857.05 and 177,184,954.30
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Solution
The fourth proportional to 298,415,904.70, 447,623,857.05 and 177,184,954.30 is: 265,777,431.45
Step by Step Solution
- Step 1: Write the proportion equation
298,415,904.70 : 447,623,857.05 = 177,184,954.30 : x - Step 2: Convert to fraction form
298,415,904.70/447,623,857.05 = 177,184,954.30/x - Step 3: Cross multiply
298,415,904.70x = 447,623,857.05 × 177,184,954.30 - Step 4: Simplify right side
298,415,904.70x = 79,312,212,654,993,984 - Step 5: Solve for x
x = 79,312,212,654,993,984/298,415,904.70 - Step 6: Final answer
x = 265,777,431.45
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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.