Finding the Fourth Proportional to 3,492,474,647.63, 4,819,634,589.80 and 1,987,100,962.13
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Solution
The fourth proportional to 3,492,474,647.63, 4,819,634,589.80 and 1,987,100,962.13 is: 2,742,210,465.88
Step by Step Solution
- Step 1: Write the proportion equation
3,492,474,647.63 : 4,819,634,589.80 = 1,987,100,962.13 : x - Step 2: Convert to fraction form
3,492,474,647.63/4,819,634,589.80 = 1,987,100,962.13/x - Step 3: Cross multiply
3,492,474,647.63x = 4,819,634,589.80 × 1,987,100,962.13 - Step 4: Simplify right side
3,492,474,647.63x = 9,577,100,530,523,623,424 - Step 5: Solve for x
x = 9,577,100,530,523,623,424/3,492,474,647.63 - Step 6: Final answer
x = 2,742,210,465.88
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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.