Finding the Fourth Proportional to 316,414,440.08, 436,651,864.24 and 175,294,830.72
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Solution
The fourth proportional to 316,414,440.08, 436,651,864.24 and 175,294,830.72 is: 241,906,831.45
Step by Step Solution
- Step 1: Write the proportion equation
316,414,440.08 : 436,651,864.24 = 175,294,830.72 : x - Step 2: Convert to fraction form
316,414,440.08/436,651,864.24 = 175,294,830.72/x - Step 3: Cross multiply
316,414,440.08x = 436,651,864.24 × 175,294,830.72 - Step 4: Simplify right side
316,414,440.08x = 76,542,814,625,523,216 - Step 5: Solve for x
x = 76,542,814,625,523,216/316,414,440.08 - Step 6: Final answer
x = 241,906,831.45
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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.