Finding the Fourth Proportional to 1,417,029,207.13, 1,955,889,297.82 and 822,505,226.30
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Solution
The fourth proportional to 1,417,029,207.13, 1,955,889,297.82 and 822,505,226.30 is: 1,135,283,000.12
Step by Step Solution
- Step 1: Write the proportion equation
1,417,029,207.13 : 1,955,889,297.82 = 822,505,226.30 : x - Step 2: Convert to fraction form
1,417,029,207.13/1,955,889,297.82 = 822,505,226.30/x - Step 3: Cross multiply
1,417,029,207.13x = 1,955,889,297.82 × 822,505,226.30 - Step 4: Simplify right side
1,417,029,207.13x = 1,608,729,169,521,187,072 - Step 5: Solve for x
x = 1,608,729,169,521,187,072/1,417,029,207.13 - Step 6: Final answer
x = 1,135,283,000.12
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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.