Finding the Fourth Proportional to 1,850,456,801.99, 2,775,694,650.89 and 623,635,882.31
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Solution
The fourth proportional to 1,850,456,801.99, 2,775,694,650.89 and 623,635,882.31 is: 935,457,007.57
Step by Step Solution
- Step 1: Write the proportion equation
1,850,456,801.99 : 2,775,694,650.89 = 623,635,882.31 : x - Step 2: Convert to fraction form
1,850,456,801.99/2,775,694,650.89 = 623,635,882.31/x - Step 3: Cross multiply
1,850,456,801.99x = 2,775,694,650.89 × 623,635,882.31 - Step 4: Simplify right side
1,850,456,801.99x = 1,731,022,782,613,935,872 - Step 5: Solve for x
x = 1,731,022,782,613,935,872/1,850,456,801.99 - Step 6: Final answer
x = 935,457,007.57
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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.