Finding the Fourth Proportional to 15,133,029,199.70, 22,699,543,799.55 and 15,133,029,199.70
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Solution
The fourth proportional to 15,133,029,199.70, 22,699,543,799.55 and 15,133,029,199.70 is: 22,699,543,799.55
Step by Step Solution
- Step 1: Write the proportion equation
15,133,029,199.70 : 22,699,543,799.55 = 15,133,029,199.70 : x - Step 2: Convert to fraction form
15,133,029,199.70/22,699,543,799.55 = 15,133,029,199.70/x - Step 3: Cross multiply
15,133,029,199.70x = 22,699,543,799.55 × 15,133,029,199.70 - Step 4: Simplify right side
15,133,029,199.70x = 343,512,859,138,459,238,400 - Step 5: Solve for x
x = 343,512,859,138,459,238,400/15,133,029,199.70 - Step 6: Final answer
x = 22,699,543,799.55
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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.