Finding the Fourth Proportional to 560,629,199.70, 840,943,799.55 and 560,629,199.70
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Solution
The fourth proportional to 560,629,199.70, 840,943,799.55 and 560,629,199.70 is: 840,943,799.55
Step by Step Solution
- Step 1: Write the proportion equation
560,629,199.70 : 840,943,799.55 = 560,629,199.70 : x - Step 2: Convert to fraction form
560,629,199.70/840,943,799.55 = 560,629,199.70/x - Step 3: Cross multiply
560,629,199.70x = 840,943,799.55 × 560,629,199.70 - Step 4: Simplify right side
560,629,199.70x = 471,457,649,334,393,728 - Step 5: Solve for x
x = 471,457,649,334,393,728/560,629,199.70 - Step 6: Final answer
x = 840,943,799.55
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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.