Finding the Fourth Proportional to 277,449,235.66, 382,879,812.12 and 165,940,074.55
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Solution
The fourth proportional to 277,449,235.66, 382,879,812.12 and 165,940,074.55 is: 228,997,223.28
Step by Step Solution
- Step 1: Write the proportion equation
277,449,235.66 : 382,879,812.12 = 165,940,074.55 : x - Step 2: Convert to fraction form
277,449,235.66/382,879,812.12 = 165,940,074.55/x - Step 3: Cross multiply
277,449,235.66x = 382,879,812.12 × 165,940,074.55 - Step 4: Simplify right side
277,449,235.66x = 63,535,104,566,882,800 - Step 5: Solve for x
x = 63,535,104,566,882,800/277,449,235.66 - Step 6: Final answer
x = 228,997,223.28
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1.5x scale
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.