Finding the Fourth Proportional to 312,014,576.10, 468,021,864.15 and 234,920,201.70
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Solution
The fourth proportional to 312,014,576.10, 468,021,864.15 and 234,920,201.70 is: 352,380,302.55
Step by Step Solution
- Step 1: Write the proportion equation
312,014,576.10 : 468,021,864.15 = 234,920,201.70 : x - Step 2: Convert to fraction form
312,014,576.10/468,021,864.15 = 234,920,201.70/x - Step 3: Cross multiply
312,014,576.10x = 468,021,864.15 × 234,920,201.70 - Step 4: Simplify right side
312,014,576.10x = 109,947,790,726,127,984 - Step 5: Solve for x
x = 109,947,790,726,127,984/312,014,576.10 - Step 6: Final answer
x = 352,380,302.55
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1.5x scale
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.