Finding the Fourth Proportional to 532,305,270.80, 798,457,906.20 and 290,440,566.80
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Solution
The fourth proportional to 532,305,270.80, 798,457,906.20 and 290,440,566.80 is: 435,660,850.20
Step by Step Solution
- Step 1: Write the proportion equation
532,305,270.80 : 798,457,906.20 = 290,440,566.80 : x - Step 2: Convert to fraction form
532,305,270.80/798,457,906.20 = 290,440,566.80/x - Step 3: Cross multiply
532,305,270.80x = 798,457,906.20 × 290,440,566.80 - Step 4: Simplify right side
532,305,270.80x = 231,904,566,842,669,248 - Step 5: Solve for x
x = 231,904,566,842,669,248/532,305,270.80 - Step 6: Final answer
x = 435,660,850.20
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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.