Finding the Fourth Proportional to 763,960,201.80, 1,145,940,302.70 and 763,960,201.80
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Solution
The fourth proportional to 763,960,201.80, 1,145,940,302.70 and 763,960,201.80 is: 1,145,940,302.70
Step by Step Solution
- Step 1: Write the proportion equation
763,960,201.80 : 1,145,940,302.70 = 763,960,201.80 : x - Step 2: Convert to fraction form
763,960,201.80/1,145,940,302.70 = 763,960,201.80/x - Step 3: Cross multiply
763,960,201.80x = 1,145,940,302.70 × 763,960,201.80 - Step 4: Simplify right side
763,960,201.80x = 875,452,784,901,445,120 - Step 5: Solve for x
x = 875,452,784,901,445,120/763,960,201.80 - Step 6: Final answer
x = 1,145,940,302.70
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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.