Finding the Fourth Proportional to 302,197,912.70, 453,296,869.05 and 236,440,946.30
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Solution
The fourth proportional to 302,197,912.70, 453,296,869.05 and 236,440,946.30 is: 354,661,419.45
Step by Step Solution
- Step 1: Write the proportion equation
302,197,912.70 : 453,296,869.05 = 236,440,946.30 : x - Step 2: Convert to fraction form
302,197,912.70/453,296,869.05 = 236,440,946.30/x - Step 3: Cross multiply
302,197,912.70x = 453,296,869.05 × 236,440,946.30 - Step 4: Simplify right side
302,197,912.70x = 107,177,940,673,009,184 - Step 5: Solve for x
x = 107,177,940,673,009,184/302,197,912.70 - Step 6: Final answer
x = 354,661,419.45
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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.