Finding the Fourth Proportional to 341,856,280.40, 512,784,420.60 and 160,457,752.40
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Solution
The fourth proportional to 341,856,280.40, 512,784,420.60 and 160,457,752.40 is: 240,686,628.60
Step by Step Solution
- Step 1: Write the proportion equation
341,856,280.40 : 512,784,420.60 = 160,457,752.40 : x - Step 2: Convert to fraction form
341,856,280.40/512,784,420.60 = 160,457,752.40/x - Step 3: Cross multiply
341,856,280.40x = 512,784,420.60 × 160,457,752.40 - Step 4: Simplify right side
341,856,280.40x = 82,280,235,595,212,272 - Step 5: Solve for x
x = 82,280,235,595,212,272/341,856,280.40 - Step 6: Final answer
x = 240,686,628.60
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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.