Finding the Fourth Proportional to 332,178,585.20, 498,267,877.80 and 313,046,709.20
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Solution
The fourth proportional to 332,178,585.20, 498,267,877.80 and 313,046,709.20 is: 469,570,063.80
Step by Step Solution
- Step 1: Write the proportion equation
332,178,585.20 : 498,267,877.80 = 313,046,709.20 : x - Step 2: Convert to fraction form
332,178,585.20/498,267,877.80 = 313,046,709.20/x - Step 3: Cross multiply
332,178,585.20x = 498,267,877.80 × 313,046,709.20 - Step 4: Simplify right side
332,178,585.20x = 155,981,119,445,357,728 - Step 5: Solve for x
x = 155,981,119,445,357,728/332,178,585.20 - Step 6: Final answer
x = 469,570,063.80
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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.