Finding the Fourth Proportional to 201,014,658.70, 280,846,565.90 and 201,014,658.70
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Solution
The fourth proportional to 201,014,658.70, 280,846,565.90 and 201,014,658.70 is: 280,846,565.90
Step by Step Solution
- Step 1: Write the proportion equation
201,014,658.70 : 280,846,565.90 = 201,014,658.70 : x - Step 2: Convert to fraction form
201,014,658.70/280,846,565.90 = 201,014,658.70/x - Step 3: Cross multiply
201,014,658.70x = 280,846,565.90 × 201,014,658.70 - Step 4: Simplify right side
201,014,658.70x = 56,454,276,591,455,552 - Step 5: Solve for x
x = 56,454,276,591,455,552/201,014,658.70 - Step 6: Final answer
x = 280,846,565.90
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.