Finding the Fourth Proportional to 5,047,381,850.70, 7,564,305,211.86 and 3,928,256,847.02
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Solution
The fourth proportional to 5,047,381,850.70, 7,564,305,211.86 and 3,928,256,847.02 is: 5,887,118,236.82
Step by Step Solution
- Step 1: Write the proportion equation
5,047,381,850.70 : 7,564,305,211.86 = 3,928,256,847.02 : x - Step 2: Convert to fraction form
5,047,381,850.70/7,564,305,211.86 = 3,928,256,847.02/x - Step 3: Cross multiply
5,047,381,850.70x = 7,564,305,211.86 × 3,928,256,847.02 - Step 4: Simplify right side
5,047,381,850.70x = 29,714,533,741,438,115,840 - Step 5: Solve for x
x = 29,714,533,741,438,115,840/5,047,381,850.70 - Step 6: Final answer
x = 5,887,118,236.82
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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.