Finding the Fourth Proportional to 556,350,173.76, 767,764,750.58 and 305,470,815.33
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Solution
The fourth proportional to 556,350,173.76, 767,764,750.58 and 305,470,815.33 is: 421,550,554.68
Step by Step Solution
- Step 1: Write the proportion equation
556,350,173.76 : 767,764,750.58 = 305,470,815.33 : x - Step 2: Convert to fraction form
556,350,173.76/767,764,750.58 = 305,470,815.33/x - Step 3: Cross multiply
556,350,173.76x = 767,764,750.58 × 305,470,815.33 - Step 4: Simplify right side
556,350,173.76x = 234,529,724,345,517,664 - Step 5: Solve for x
x = 234,529,724,345,517,664/556,350,173.76 - Step 6: Final answer
x = 421,550,554.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.