Finding the Fourth Proportional to 17,939,809,480.20, 26,909,714,220.30 and 8,621,310,409.80
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Solution
The fourth proportional to 17,939,809,480.20, 26,909,714,220.30 and 8,621,310,409.80 is: 12,931,965,614.70
Step by Step Solution
- Step 1: Write the proportion equation
17,939,809,480.20 : 26,909,714,220.30 = 8,621,310,409.80 : x - Step 2: Convert to fraction form
17,939,809,480.20/26,909,714,220.30 = 8,621,310,409.80/x - Step 3: Cross multiply
17,939,809,480.20x = 26,909,714,220.30 × 8,621,310,409.80 - Step 4: Simplify right side
17,939,809,480.20x = 231,996,999,332,215,455,744 - Step 5: Solve for x
x = 231,996,999,332,215,455,744/17,939,809,480.20 - Step 6: Final answer
x = 12,931,965,614.70
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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.