Finding the Fourth Proportional to 264,659,510.70, 396,989,266.05 and 155,536,958.70
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Solution
The fourth proportional to 264,659,510.70, 396,989,266.05 and 155,536,958.70 is: 233,305,438.05
Step by Step Solution
- Step 1: Write the proportion equation
264,659,510.70 : 396,989,266.05 = 155,536,958.70 : x - Step 2: Convert to fraction form
264,659,510.70/396,989,266.05 = 155,536,958.70/x - Step 3: Cross multiply
264,659,510.70x = 396,989,266.05 × 155,536,958.70 - Step 4: Simplify right side
264,659,510.70x = 61,746,503,077,962,160 - Step 5: Solve for x
x = 61,746,503,077,962,160/264,659,510.70 - Step 6: Final answer
x = 233,305,438.05
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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.