Finding the Fourth Proportional to 1,110,533,285.48, 1,665,987,206.49 and 373,427,971.12
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Solution
The fourth proportional to 1,110,533,285.48, 1,665,987,206.49 and 373,427,971.12 is: 560,204,930.88
Step by Step Solution
- Step 1: Write the proportion equation
1,110,533,285.48 : 1,665,987,206.49 = 373,427,971.12 : x - Step 2: Convert to fraction form
1,110,533,285.48/1,665,987,206.49 = 373,427,971.12/x - Step 3: Cross multiply
1,110,533,285.48x = 1,665,987,206.49 × 373,427,971.12 - Step 4: Simplify right side
1,110,533,285.48x = 622,126,222,424,156,800 - Step 5: Solve for x
x = 622,126,222,424,156,800/1,110,533,285.48 - Step 6: Final answer
x = 560,204,930.88
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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.