Finding the Fourth Proportional to 472,405,163.10, 708,607,744.65 and 149,289,035.10
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Solution
The fourth proportional to 472,405,163.10, 708,607,744.65 and 149,289,035.10 is: 223,933,552.65
Step by Step Solution
- Step 1: Write the proportion equation
472,405,163.10 : 708,607,744.65 = 149,289,035.10 : x - Step 2: Convert to fraction form
472,405,163.10/708,607,744.65 = 149,289,035.10/x - Step 3: Cross multiply
472,405,163.10x = 708,607,744.65 × 149,289,035.10 - Step 4: Simplify right side
472,405,163.10x = 105,787,366,463,185,680 - Step 5: Solve for x
x = 105,787,366,463,185,680/472,405,163.10 - Step 6: Final answer
x = 223,933,552.65
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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.