Finding the Fourth Proportional to 538,157,067.60, 753,930,078 and 538,157,067.60
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Solution
The fourth proportional to 538,157,067.60, 753,930,078 and 538,157,067.60 is: 753,930,078
Step by Step Solution
- Step 1: Write the proportion equation
538,157,067.60 : 753,930,078 = 538,157,067.60 : x - Step 2: Convert to fraction form
538,157,067.60/753,930,078 = 538,157,067.60/x - Step 3: Cross multiply
538,157,067.60x = 753,930,078 × 538,157,067.60 - Step 4: Simplify right side
538,157,067.60x = 405,732,799,951,919,296 - Step 5: Solve for x
x = 405,732,799,951,919,296/538,157,067.60 - Step 6: Final answer
x = 753,930,078
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.