Finding the Fourth Proportional to 323,014,719.80, 484,522,079.70 and 186,965,823.80
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Solution
The fourth proportional to 323,014,719.80, 484,522,079.70 and 186,965,823.80 is: 280,448,735.70
Step by Step Solution
- Step 1: Write the proportion equation
323,014,719.80 : 484,522,079.70 = 186,965,823.80 : x - Step 2: Convert to fraction form
323,014,719.80/484,522,079.70 = 186,965,823.80/x - Step 3: Cross multiply
323,014,719.80x = 484,522,079.70 × 186,965,823.80 - Step 4: Simplify right side
323,014,719.80x = 90,589,069,780,399,760 - Step 5: Solve for x
x = 90,589,069,780,399,760/323,014,719.80 - Step 6: Final answer
x = 280,448,735.70
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1.5x scale
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.