Finding the Fourth Proportional to 2,999,686,323.82, 4,497,889,202.85 and 2,381,870,218.10
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Solution
The fourth proportional to 2,999,686,323.82, 4,497,889,202.85 and 2,381,870,218.10 is: 3,571,502,877.32
Step by Step Solution
- Step 1: Write the proportion equation
2,999,686,323.82 : 4,497,889,202.85 = 2,381,870,218.10 : x - Step 2: Convert to fraction form
2,999,686,323.82/4,497,889,202.85 = 2,381,870,218.10/x - Step 3: Cross multiply
2,999,686,323.82x = 4,497,889,202.85 × 2,381,870,218.10 - Step 4: Simplify right side
2,999,686,323.82x = 10,713,388,336,581,965,824 - Step 5: Solve for x
x = 10,713,388,336,581,965,824/2,999,686,323.82 - Step 6: Final answer
x = 3,571,502,877.32
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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.