Finding the Fourth Proportional to 717,795,842.40, 1,076,693,763.60 and 233,170,639.20
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Solution
The fourth proportional to 717,795,842.40, 1,076,693,763.60 and 233,170,639.20 is: 349,755,958.80
Step by Step Solution
- Step 1: Write the proportion equation
717,795,842.40 : 1,076,693,763.60 = 233,170,639.20 : x - Step 2: Convert to fraction form
717,795,842.40/1,076,693,763.60 = 233,170,639.20/x - Step 3: Cross multiply
717,795,842.40x = 1,076,693,763.60 × 233,170,639.20 - Step 4: Simplify right side
717,795,842.40x = 251,053,373,081,265,664 - Step 5: Solve for x
x = 251,053,373,081,265,664/717,795,842.40 - Step 6: Final answer
x = 349,755,958.80
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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.