Finding the Fourth Proportional to 27,883,342,134.57, 38,479,142,452.68 and 15,841,013,737.62
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Solution
The fourth proportional to 27,883,342,134.57, 38,479,142,452.68 and 15,841,013,737.62 is: 21,860,672,987.58
Step by Step Solution
- Step 1: Write the proportion equation
27,883,342,134.57 : 38,479,142,452.68 = 15,841,013,737.62 : x - Step 2: Convert to fraction form
27,883,342,134.57/38,479,142,452.68 = 15,841,013,737.62/x - Step 3: Cross multiply
27,883,342,134.57x = 38,479,142,452.68 × 15,841,013,737.62 - Step 4: Simplify right side
27,883,342,134.57x = 609,548,624,204,740,820,992 - Step 5: Solve for x
x = 609,548,624,204,740,820,992/27,883,342,134.57 - Step 6: Final answer
x = 21,860,672,987.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.