Finding the Fourth Proportional to 751,864,798.62, 1,128,028,128.84 and 358,893,076.28
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Solution
The fourth proportional to 751,864,798.62, 1,128,028,128.84 and 358,893,076.28 is: 538,449,846.35
Step by Step Solution
- Step 1: Write the proportion equation
751,864,798.62 : 1,128,028,128.84 = 358,893,076.28 : x - Step 2: Convert to fraction form
751,864,798.62/1,128,028,128.84 = 358,893,076.28/x - Step 3: Cross multiply
751,864,798.62x = 1,128,028,128.84 × 358,893,076.28 - Step 4: Simplify right side
751,864,798.62x = 404,841,485,289,759,744 - Step 5: Solve for x
x = 404,841,485,289,759,744/751,864,798.62 - Step 6: Final answer
x = 538,449,846.35
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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.