Finding the Fourth Proportional to 1,492,993,015.80, 2,239,489,523.70 and 1,396,247,134.20
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Solution
The fourth proportional to 1,492,993,015.80, 2,239,489,523.70 and 1,396,247,134.20 is: 2,094,370,701.30
Step by Step Solution
- Step 1: Write the proportion equation
1,492,993,015.80 : 2,239,489,523.70 = 1,396,247,134.20 : x - Step 2: Convert to fraction form
1,492,993,015.80/2,239,489,523.70 = 1,396,247,134.20/x - Step 3: Cross multiply
1,492,993,015.80x = 2,239,489,523.70 × 1,396,247,134.20 - Step 4: Simplify right side
1,492,993,015.80x = 3,126,880,829,537,048,064 - Step 5: Solve for x
x = 3,126,880,829,537,048,064/1,492,993,015.80 - Step 6: Final answer
x = 2,094,370,701.30
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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.