Finding the Fourth Proportional to 852,995,199.87, 1,279,964,929.38 and 416,299,501.35
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Solution
The fourth proportional to 852,995,199.87, 1,279,964,929.38 and 416,299,501.35 is: 624,679,672.20
Step by Step Solution
- Step 1: Write the proportion equation
852,995,199.87 : 1,279,964,929.38 = 416,299,501.35 : x - Step 2: Convert to fraction form
852,995,199.87/1,279,964,929.38 = 416,299,501.35/x - Step 3: Cross multiply
852,995,199.87x = 1,279,964,929.38 × 416,299,501.35 - Step 4: Simplify right side
852,995,199.87x = 532,848,761,846,382,016 - Step 5: Solve for x
x = 532,848,761,846,382,016/852,995,199.87 - Step 6: Final answer
x = 624,679,672.20
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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.