Finding the Fourth Proportional to 330,432,014.70, 496,030,856.40 and 177,377,006.70
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Solution
The fourth proportional to 330,432,014.70, 496,030,856.40 and 177,377,006.70 is: 266,271,016.80
Step by Step Solution
- Step 1: Write the proportion equation
330,432,014.70 : 496,030,856.40 = 177,377,006.70 : x - Step 2: Convert to fraction form
330,432,014.70/496,030,856.40 = 177,377,006.70/x - Step 3: Cross multiply
330,432,014.70x = 496,030,856.40 × 177,377,006.70 - Step 4: Simplify right side
330,432,014.70x = 87,984,468,539,069,520 - Step 5: Solve for x
x = 87,984,468,539,069,520/330,432,014.70 - Step 6: Final answer
x = 266,271,016.80
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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.