Finding the Fourth Proportional to 719,760,540,557.42, 993,269,306,226.80 and 394,592,850,840.92
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Solution
The fourth proportional to 719,760,540,557.42, 993,269,306,226.80 and 394,592,850,840.92 is: 544,538,002,726.96
Step by Step Solution
- Step 1: Write the proportion equation
719,760,540,557.42 : 993,269,306,226.80 = 394,592,850,840.92 : x - Step 2: Convert to fraction form
719,760,540,557.42/993,269,306,226.80 = 394,592,850,840.92/x - Step 3: Cross multiply
719,760,540,557.42x = 993,269,306,226.80 × 394,592,850,840.92 - Step 4: Simplify right side
719,760,540,557.42x = 391,936,967,196,815,772,352,512 - Step 5: Solve for x
x = 391,936,967,196,815,772,352,512/719,760,540,557.42 - Step 6: Final answer
x = 544,538,002,726.96
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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.