Finding the Fourth Proportional to 5,274,440,128.40, 7,911,660,192.60 and 1,594,513,446.80
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Solution
The fourth proportional to 5,274,440,128.40, 7,911,660,192.60 and 1,594,513,446.80 is: 2,391,770,170.20
Step by Step Solution
- Step 1: Write the proportion equation
5,274,440,128.40 : 7,911,660,192.60 = 1,594,513,446.80 : x - Step 2: Convert to fraction form
5,274,440,128.40/7,911,660,192.60 = 1,594,513,446.80/x - Step 3: Cross multiply
5,274,440,128.40x = 7,911,660,192.60 × 1,594,513,446.80 - Step 4: Simplify right side
5,274,440,128.40x = 12,615,248,563,612,977,152 - Step 5: Solve for x
x = 12,615,248,563,612,977,152/5,274,440,128.40 - Step 6: Final answer
x = 2,391,770,170.20
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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.