Finding the Fourth Proportional to 1,893,351,102.72, 2,612,774,396.52 and 1,057,982,537.76
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Solution
The fourth proportional to 1,893,351,102.72, 2,612,774,396.52 and 1,057,982,537.76 is: 1,459,987,892.71
Step by Step Solution
- Step 1: Write the proportion equation
1,893,351,102.72 : 2,612,774,396.52 = 1,057,982,537.76 : x - Step 2: Convert to fraction form
1,893,351,102.72/2,612,774,396.52 = 1,057,982,537.76/x - Step 3: Cross multiply
1,893,351,102.72x = 2,612,774,396.52 × 1,057,982,537.76 - Step 4: Simplify right side
1,893,351,102.72x = 2,764,269,686,624,582,144 - Step 5: Solve for x
x = 2,764,269,686,624,582,144/1,893,351,102.72 - Step 6: Final answer
x = 1,459,987,892.71
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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.