Finding the Fourth Proportional to 4,911,759,072.60, 7,367,638,608.90 and 4,532,947,927.80
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Solution
The fourth proportional to 4,911,759,072.60, 7,367,638,608.90 and 4,532,947,927.80 is: 6,799,421,891.70
Step by Step Solution
- Step 1: Write the proportion equation
4,911,759,072.60 : 7,367,638,608.90 = 4,532,947,927.80 : x - Step 2: Convert to fraction form
4,911,759,072.60/7,367,638,608.90 = 4,532,947,927.80/x - Step 3: Cross multiply
4,911,759,072.60x = 7,367,638,608.90 × 4,532,947,927.80 - Step 4: Simplify right side
4,911,759,072.60x = 33,397,122,164,992,528,384 - Step 5: Solve for x
x = 33,397,122,164,992,528,384/4,911,759,072.60 - Step 6: Final answer
x = 6,799,421,891.70
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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.