Finding the Fourth Proportional to 1,484,165,455.28, 2,226,246,903.84 and 378,770,223.18
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Solution
The fourth proportional to 1,484,165,455.28, 2,226,246,903.84 and 378,770,223.18 is: 568,155,008.34
Step by Step Solution
- Step 1: Write the proportion equation
1,484,165,455.28 : 2,226,246,903.84 = 378,770,223.18 : x - Step 2: Convert to fraction form
1,484,165,455.28/2,226,246,903.84 = 378,770,223.18/x - Step 3: Cross multiply
1,484,165,455.28x = 2,226,246,903.84 × 378,770,223.18 - Step 4: Simplify right side
1,484,165,455.28x = 843,236,036,621,260,928 - Step 5: Solve for x
x = 843,236,036,621,260,928/1,484,165,455.28 - Step 6: Final answer
x = 568,155,008.34
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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.