Finding the Fourth Proportional to 1,492,229,268.80, 2,238,343,903.20 and 1,180,492,539.20
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Solution
The fourth proportional to 1,492,229,268.80, 2,238,343,903.20 and 1,180,492,539.20 is: 1,770,738,808.80
Step by Step Solution
- Step 1: Write the proportion equation
1,492,229,268.80 : 2,238,343,903.20 = 1,180,492,539.20 : x - Step 2: Convert to fraction form
1,492,229,268.80/2,238,343,903.20 = 1,180,492,539.20/x - Step 3: Cross multiply
1,492,229,268.80x = 2,238,343,903.20 × 1,180,492,539.20 - Step 4: Simplify right side
1,492,229,268.80x = 2,642,348,277,891,406,848 - Step 5: Solve for x
x = 2,642,348,277,891,406,848/1,492,229,268.80 - Step 6: Final answer
x = 1,770,738,808.80
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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.