Finding the Fourth Proportional to 1,100,691,005.80, 1,651,036,508.70 and 373,679,717.80
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Solution
The fourth proportional to 1,100,691,005.80, 1,651,036,508.70 and 373,679,717.80 is: 560,519,576.70
Step by Step Solution
- Step 1: Write the proportion equation
1,100,691,005.80 : 1,651,036,508.70 = 373,679,717.80 : x - Step 2: Convert to fraction form
1,100,691,005.80/1,651,036,508.70 = 373,679,717.80/x - Step 3: Cross multiply
1,100,691,005.80x = 1,651,036,508.70 × 373,679,717.80 - Step 4: Simplify right side
1,100,691,005.80x = 616,958,856,648,513,280 - Step 5: Solve for x
x = 616,958,856,648,513,280/1,100,691,005.80 - Step 6: Final answer
x = 560,519,576.70
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Similar ratio
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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.