Finding the Fourth Proportional to 546,761,321.58, 754,532,623.74 and 295,865,715.60
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Solution
The fourth proportional to 546,761,321.58, 754,532,623.74 and 295,865,715.60 is: 408,295,769.75
Step by Step Solution
- Step 1: Write the proportion equation
546,761,321.58 : 754,532,623.74 = 295,865,715.60 : x - Step 2: Convert to fraction form
546,761,321.58/754,532,623.74 = 295,865,715.60/x - Step 3: Cross multiply
546,761,321.58x = 754,532,623.74 × 295,865,715.60 - Step 4: Simplify right side
546,761,321.58x = 223,240,334,666,380,672 - Step 5: Solve for x
x = 223,240,334,666,380,672/546,761,321.58 - Step 6: Final answer
x = 408,295,769.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.