Finding the Fourth Proportional to 1,170,414,070.80, 1,755,621,106.20 and 480,816,229.20
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Solution
The fourth proportional to 1,170,414,070.80, 1,755,621,106.20 and 480,816,229.20 is: 721,224,343.80
Step by Step Solution
- Step 1: Write the proportion equation
1,170,414,070.80 : 1,755,621,106.20 = 480,816,229.20 : x - Step 2: Convert to fraction form
1,170,414,070.80/1,755,621,106.20 = 480,816,229.20/x - Step 3: Cross multiply
1,170,414,070.80x = 1,755,621,106.20 × 480,816,229.20 - Step 4: Simplify right side
1,170,414,070.80x = 844,131,120,187,016,704 - Step 5: Solve for x
x = 844,131,120,187,016,704/1,170,414,070.80 - Step 6: Final answer
x = 721,224,343.80
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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.