Finding the Fourth Proportional to 4,764,356,918.70, 7,146,535,378.05 and 1,448,165,078.70
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Solution
The fourth proportional to 4,764,356,918.70, 7,146,535,378.05 and 1,448,165,078.70 is: 2,172,247,618.05
Step by Step Solution
- Step 1: Write the proportion equation
4,764,356,918.70 : 7,146,535,378.05 = 1,448,165,078.70 : x - Step 2: Convert to fraction form
4,764,356,918.70/7,146,535,378.05 = 1,448,165,078.70/x - Step 3: Cross multiply
4,764,356,918.70x = 7,146,535,378.05 × 1,448,165,078.70 - Step 4: Simplify right side
4,764,356,918.70x = 10,349,362,968,186,114,048 - Step 5: Solve for x
x = 10,349,362,968,186,114,048/4,764,356,918.70 - Step 6: Final answer
x = 2,172,247,618.05
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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.