Finding the Fourth Proportional to 442,828,586.70, 664,620,793.65 and 197,562,660.30
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Solution
The fourth proportional to 442,828,586.70, 664,620,793.65 and 197,562,660.30 is: 296,512,592.07
Step by Step Solution
- Step 1: Write the proportion equation
442,828,586.70 : 664,620,793.65 = 197,562,660.30 : x - Step 2: Convert to fraction form
442,828,586.70/664,620,793.65 = 197,562,660.30/x - Step 3: Cross multiply
442,828,586.70x = 664,620,793.65 × 197,562,660.30 - Step 4: Simplify right side
442,828,586.70x = 131,304,252,084,191,344 - Step 5: Solve for x
x = 131,304,252,084,191,344/442,828,586.70 - Step 6: Final answer
x = 296,512,592.07
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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.