Finding the Fourth Proportional to 1,175,534,832.01, 1,763,305,874.20 and 290,220,293.29
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Solution
The fourth proportional to 1,175,534,832.01, 1,763,305,874.20 and 290,220,293.29 is: 435,331,335.18
Step by Step Solution
- Step 1: Write the proportion equation
1,175,534,832.01 : 1,763,305,874.20 = 290,220,293.29 : x - Step 2: Convert to fraction form
1,175,534,832.01/1,763,305,874.20 = 290,220,293.29/x - Step 3: Cross multiply
1,175,534,832.01x = 1,763,305,874.20 × 290,220,293.29 - Step 4: Simplify right side
1,175,534,832.01x = 511,747,147,961,487,360 - Step 5: Solve for x
x = 511,747,147,961,487,360/1,175,534,832.01 - Step 6: Final answer
x = 435,331,335.18
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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.