Finding the Fourth Proportional to 3,255,552,014.40, 4,883,328,021.60 and 3,128,573,044.80
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Solution
The fourth proportional to 3,255,552,014.40, 4,883,328,021.60 and 3,128,573,044.80 is: 4,692,859,567.20
Step by Step Solution
- Step 1: Write the proportion equation
3,255,552,014.40 : 4,883,328,021.60 = 3,128,573,044.80 : x - Step 2: Convert to fraction form
3,255,552,014.40/4,883,328,021.60 = 3,128,573,044.80/x - Step 3: Cross multiply
3,255,552,014.40x = 4,883,328,021.60 × 3,128,573,044.80 - Step 4: Simplify right side
3,255,552,014.40x = 15,277,848,417,294,274,560 - Step 5: Solve for x
x = 15,277,848,417,294,274,560/3,255,552,014.40 - Step 6: Final answer
x = 4,692,859,567.20
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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.