Finding the Fourth Proportional to 207,623,311.10, 311,434,966.65 and 207,623,311.10
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Solution
The fourth proportional to 207,623,311.10, 311,434,966.65 and 207,623,311.10 is: 311,434,966.65
Step by Step Solution
- Step 1: Write the proportion equation
207,623,311.10 : 311,434,966.65 = 207,623,311.10 : x - Step 2: Convert to fraction form
207,623,311.10/311,434,966.65 = 207,623,311.10/x - Step 3: Cross multiply
207,623,311.10x = 311,434,966.65 × 207,623,311.10 - Step 4: Simplify right side
207,623,311.10x = 64,661,158,968,191,072 - Step 5: Solve for x
x = 64,661,158,968,191,072/207,623,311.10 - Step 6: Final answer
x = 311,434,966.65
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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.