Finding the Fourth Proportional to 626,799,251.70, 940,198,877.55 and 626,799,251.70
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Solution
The fourth proportional to 626,799,251.70, 940,198,877.55 and 626,799,251.70 is: 940,198,877.55
Step by Step Solution
- Step 1: Write the proportion equation
626,799,251.70 : 940,198,877.55 = 626,799,251.70 : x - Step 2: Convert to fraction form
626,799,251.70/940,198,877.55 = 626,799,251.70/x - Step 3: Cross multiply
626,799,251.70x = 940,198,877.55 × 626,799,251.70 - Step 4: Simplify right side
626,799,251.70x = 589,315,952,897,520,000 - Step 5: Solve for x
x = 589,315,952,897,520,000/626,799,251.70 - Step 6: Final answer
x = 940,198,877.55
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Double scale
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Similar ratio
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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.