Finding the Fourth Proportional to 538,273,491, 742,817,716.74 and 290,754,847.68
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Solution
The fourth proportional to 538,273,491, 742,817,716.74 and 290,754,847.68 is: 401,241,851.39
Step by Step Solution
- Step 1: Write the proportion equation
538,273,491 : 742,817,716.74 = 290,754,847.68 : x - Step 2: Convert to fraction form
538,273,491/742,817,716.74 = 290,754,847.68/x - Step 3: Cross multiply
538,273,491x = 742,817,716.74 × 290,754,847.68 - Step 4: Simplify right side
538,273,491x = 215,977,852,084,744,096 - Step 5: Solve for x
x = 215,977,852,084,744,096/538,273,491 - Step 6: Final answer
x = 401,241,851.39
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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.