Finding the Fourth Proportional to 1,082,735,902.76, 1,494,136,878.84 and 612,827,133.75
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Solution
The fourth proportional to 1,082,735,902.76, 1,494,136,878.84 and 612,827,133.75 is: 845,679,559.12
Step by Step Solution
- Step 1: Write the proportion equation
1,082,735,902.76 : 1,494,136,878.84 = 612,827,133.75 : x - Step 2: Convert to fraction form
1,082,735,902.76/1,494,136,878.84 = 612,827,133.75/x - Step 3: Cross multiply
1,082,735,902.76x = 1,494,136,878.84 × 612,827,133.75 - Step 4: Simplify right side
1,082,735,902.76x = 915,647,620,889,688,192 - Step 5: Solve for x
x = 915,647,620,889,688,192/1,082,735,902.76 - Step 6: Final answer
x = 845,679,559.12
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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.