Finding the Fourth Proportional to 991,972,680,027.10, 1,486,750,183,140.60 and 514,178,565,767.30
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Solution
The fourth proportional to 991,972,680,027.10, 1,486,750,183,140.60 and 514,178,565,767.30 is: 770,641,260,806.32
Step by Step Solution
- Step 1: Write the proportion equation
991,972,680,027.10 : 1,486,750,183,140.60 = 514,178,565,767.30 : x - Step 2: Convert to fraction form
991,972,680,027.10/1,486,750,183,140.60 = 514,178,565,767.30/x - Step 3: Cross multiply
991,972,680,027.10x = 1,486,750,183,140.60 × 514,178,565,767.30 - Step 4: Simplify right side
991,972,680,027.10x = 764,455,076,821,504,381,419,520 - Step 5: Solve for x
x = 764,455,076,821,504,381,419,520/991,972,680,027.10 - Step 6: Final answer
x = 770,641,260,806.32
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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.