Finding the Fourth Proportional to 556,174,588.91, 768,157,935.44 and 366,284,459.33
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Solution
The fourth proportional to 556,174,588.91, 768,157,935.44 and 366,284,459.33 is: 505,892,069.99
Step by Step Solution
- Step 1: Write the proportion equation
556,174,588.91 : 768,157,935.44 = 366,284,459.33 : x - Step 2: Convert to fraction form
556,174,588.91/768,157,935.44 = 366,284,459.33/x - Step 3: Cross multiply
556,174,588.91x = 768,157,935.44 × 366,284,459.33 - Step 4: Simplify right side
556,174,588.91x = 281,364,314,057,017,216 - Step 5: Solve for x
x = 281,364,314,057,017,216/556,174,588.91 - Step 6: Final answer
x = 505,892,069.99
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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.