Finding the Fourth Proportional to 2,892,882,962.40, 3,993,028,104.24 and 1,889,453,929.92
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Solution
The fourth proportional to 2,892,882,962.40, 3,993,028,104.24 and 1,889,453,929.92 is: 2,608,001,340.50
Step by Step Solution
- Step 1: Write the proportion equation
2,892,882,962.40 : 3,993,028,104.24 = 1,889,453,929.92 : x - Step 2: Convert to fraction form
2,892,882,962.40/3,993,028,104.24 = 1,889,453,929.92/x - Step 3: Cross multiply
2,892,882,962.40x = 3,993,028,104.24 × 1,889,453,929.92 - Step 4: Simplify right side
2,892,882,962.40x = 7,544,642,643,837,275,136 - Step 5: Solve for x
x = 7,544,642,643,837,275,136/2,892,882,962.40 - Step 6: Final answer
x = 2,608,001,340.50
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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.