Finding the Fourth Proportional to 1,136,706,090.30, 1,705,059,135.45 and 996,122,231.10
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Solution
The fourth proportional to 1,136,706,090.30, 1,705,059,135.45 and 996,122,231.10 is: 1,494,183,346.65
Step by Step Solution
- Step 1: Write the proportion equation
1,136,706,090.30 : 1,705,059,135.45 = 996,122,231.10 : x - Step 2: Convert to fraction form
1,136,706,090.30/1,705,059,135.45 = 996,122,231.10/x - Step 3: Cross multiply
1,136,706,090.30x = 1,705,059,135.45 × 996,122,231.10 - Step 4: Simplify right side
1,136,706,090.30x = 1,698,447,310,161,891,072 - Step 5: Solve for x
x = 1,698,447,310,161,891,072/1,136,706,090.30 - Step 6: Final answer
x = 1,494,183,346.65
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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.