Finding the Fourth Proportional to 505,230,352.76, 757,872,293.21 and 155,716,481.18
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Solution
The fourth proportional to 505,230,352.76, 757,872,293.21 and 155,716,481.18 is: 233,582,970.70
Step by Step Solution
- Step 1: Write the proportion equation
505,230,352.76 : 757,872,293.21 = 155,716,481.18 : x - Step 2: Convert to fraction form
505,230,352.76/757,872,293.21 = 155,716,481.18/x - Step 3: Cross multiply
505,230,352.76x = 757,872,293.21 × 155,716,481.18 - Step 4: Simplify right side
505,230,352.76x = 118,013,206,683,989,648 - Step 5: Solve for x
x = 118,013,206,683,989,648/505,230,352.76 - Step 6: Final answer
x = 233,582,970.70
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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.