Finding the Fourth Proportional to 597,872,207.80, 896,808,311.70 and 597,872,207.80
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Solution
The fourth proportional to 597,872,207.80, 896,808,311.70 and 597,872,207.80 is: 896,808,311.70
Step by Step Solution
- Step 1: Write the proportion equation
597,872,207.80 : 896,808,311.70 = 597,872,207.80 : x - Step 2: Convert to fraction form
597,872,207.80/896,808,311.70 = 597,872,207.80/x - Step 3: Cross multiply
597,872,207.80x = 896,808,311.70 × 597,872,207.80 - Step 4: Simplify right side
597,872,207.80x = 536,176,765,289,469,568 - Step 5: Solve for x
x = 536,176,765,289,469,568/597,872,207.80 - Step 6: Final answer
x = 896,808,311.70
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Double scale
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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.