Finding the Fourth Proportional to 289,761,300.80, 434,662,946.40 and 174,497,652.80
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Solution
The fourth proportional to 289,761,300.80, 434,662,946.40 and 174,497,652.80 is: 261,759,122.76
Step by Step Solution
- Step 1: Write the proportion equation
289,761,300.80 : 434,662,946.40 = 174,497,652.80 : x - Step 2: Convert to fraction form
289,761,300.80/434,662,946.40 = 174,497,652.80/x - Step 3: Cross multiply
289,761,300.80x = 434,662,946.40 × 174,497,652.80 - Step 4: Simplify right side
289,761,300.80x = 75,847,663,905,932,208 - Step 5: Solve for x
x = 75,847,663,905,932,208/289,761,300.80 - Step 6: Final answer
x = 261,759,122.76
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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.