Finding the Fourth Proportional to 4,021,280,257.17, 5,549,416,960.42 and 2,213,000,170.08
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Solution
The fourth proportional to 4,021,280,257.17, 5,549,416,960.42 and 2,213,000,170.08 is: 3,053,967,863.93
Step by Step Solution
- Step 1: Write the proportion equation
4,021,280,257.17 : 5,549,416,960.42 = 2,213,000,170.08 : x - Step 2: Convert to fraction form
4,021,280,257.17/5,549,416,960.42 = 2,213,000,170.08/x - Step 3: Cross multiply
4,021,280,257.17x = 5,549,416,960.42 × 2,213,000,170.08 - Step 4: Simplify right side
4,021,280,257.17x = 12,280,860,677,254,295,552 - Step 5: Solve for x
x = 12,280,860,677,254,295,552/4,021,280,257.17 - Step 6: Final answer
x = 3,053,967,863.93
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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.