Finding the Fourth Proportional to 1,417,029,208.13, 1,955,889,299.20 and 822,505,227.30
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Solution
The fourth proportional to 1,417,029,208.13, 1,955,889,299.20 and 822,505,227.30 is: 1,135,283,001.50
Step by Step Solution
- Step 1: Write the proportion equation
1,417,029,208.13 : 1,955,889,299.20 = 822,505,227.30 : x - Step 2: Convert to fraction form
1,417,029,208.13/1,955,889,299.20 = 822,505,227.30/x - Step 3: Cross multiply
1,417,029,208.13x = 1,955,889,299.20 × 822,505,227.30 - Step 4: Simplify right side
1,417,029,208.13x = 1,608,729,172,612,133,632 - Step 5: Solve for x
x = 1,608,729,172,612,133,632/1,417,029,208.13 - Step 6: Final answer
x = 1,135,283,001.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.