Finding the Fourth Proportional to 1,771,470,687.40, 2,657,206,031.10 and 1,190,995,397.80
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Solution
The fourth proportional to 1,771,470,687.40, 2,657,206,031.10 and 1,190,995,397.80 is: 1,786,493,096.70
Step by Step Solution
- Step 1: Write the proportion equation
1,771,470,687.40 : 2,657,206,031.10 = 1,190,995,397.80 : x - Step 2: Convert to fraction form
1,771,470,687.40/2,657,206,031.10 = 1,190,995,397.80/x - Step 3: Cross multiply
1,771,470,687.40x = 2,657,206,031.10 × 1,190,995,397.80 - Step 4: Simplify right side
1,771,470,687.40x = 3,164,720,154,046,503,424 - Step 5: Solve for x
x = 3,164,720,154,046,503,424/1,771,470,687.40 - Step 6: Final answer
x = 1,786,493,096.70
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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.