Finding the Fourth Proportional to 332,220,007.30, 498,330,010.95 and 159,655,209.70
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Solution
The fourth proportional to 332,220,007.30, 498,330,010.95 and 159,655,209.70 is: 239,482,814.55
Step by Step Solution
- Step 1: Write the proportion equation
332,220,007.30 : 498,330,010.95 = 159,655,209.70 : x - Step 2: Convert to fraction form
332,220,007.30/498,330,010.95 = 159,655,209.70/x - Step 3: Cross multiply
332,220,007.30x = 498,330,010.95 × 159,655,209.70 - Step 4: Simplify right side
332,220,007.30x = 79,560,982,398,025,536 - Step 5: Solve for x
x = 79,560,982,398,025,536/332,220,007.30 - Step 6: Final answer
x = 239,482,814.55
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1.5x scale
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.