Finding the Fourth Proportional to 1,183,392,311.36, 1,775,330,568 and 406,937,132.96
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Solution
The fourth proportional to 1,183,392,311.36, 1,775,330,568 and 406,937,132.96 is: 610,488,951.52
Step by Step Solution
- Step 1: Write the proportion equation
1,183,392,311.36 : 1,775,330,568 = 406,937,132.96 : x - Step 2: Convert to fraction form
1,183,392,311.36/1,775,330,568 = 406,937,132.96/x - Step 3: Cross multiply
1,183,392,311.36x = 1,775,330,568 × 406,937,132.96 - Step 4: Simplify right side
1,183,392,311.36x = 722,447,931,398,168,320 - Step 5: Solve for x
x = 722,447,931,398,168,320/1,183,392,311.36 - Step 6: Final answer
x = 610,488,951.52
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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.